Large kill bags are boat equipment. They live on deck, two people move them when they are full, and they assume someone else is handling the rest of the tackle. That describes charter and offshore fishing well, and it describes almost nobody fishing from a kayak, a jetty, a bank, or a small skiff.
This bag is sized for the other case. At roughly 30 litres of usable space it holds a genuine day's catch for one angler, and loaded with fish and ice it stays at a weight one person can carry over a shoulder across a car park and down a path. That single constraint — one person, one trip — drove most of the decisions on it.
The handles wrap the body and meet above the bag, so it lifts like a tote rather than pulling on side patches. The shoulder strap detaches when it would be in the way. The base is flat and reinforced, which matters more than it sounds: a round-bottomed bag tips when set down on a slope, a deck, or a car boot, and a tipped bag full of slurry empties itself.
A bungee-laced mesh panel sits on the outside face. It exists because of a problem specific to this format: when one person carries everything, the tools end up inside the cooler.
That is a bad place for them. Pliers, a knife, a lip grip, and a bait bag inside the cold chamber mean the bag has to be opened every time a tool is needed, and every opening exchanges cold air for warm. It also means sharp steel sitting against a welded liner, which is how liners get punctured.
Keeping tools on the outside face solves both. The mesh drains and dries rather than holding water, the bungee accommodates different bulk, and everything stays reachable without touching the zipper. On a day when the cooler gets opened four times instead of fourteen, the ice lasts noticeably longer — which is the sort of gain that comes from layout rather than from insulation thickness.
Fish quality is decided in the first hour, not the last. The flesh begins degrading enzymatically the moment the fish dies, and that process runs faster the warmer the flesh is — bacterial spoilage comes later. So the number that matters is how quickly a fish reaches temperature at its core, not how many hours the bag stays cold in total.
A fish laid on top of ice cools from the outside while its core sits warm. A fish held in slurry — ice and water together — cools through in a fraction of the time, because water conducts heat away far better than ice and air. This bag has a welded liner that holds water, which is what makes slurry chilling possible; a bag that leaks its water into the insulation cannot do it.
The practical routine is simple: load ice and water, put the fish in as soon as it is dispatched, and drain the meltwater once it has warmed. Anglers who care about how the fish eats do this as a matter of course, and it is worth explaining on a retail listing, because most buyers have never been told the difference.
The honest answer is that the bag is one variable among several, and any supplier quoting a single hour figure without stating conditions is quoting a number that will disappoint most of the people reading it.
Ambient temperature dominates. The same bag behaves very differently at 15°C and at 38°C on an unshaded deck.
Ice ratio is what users most often get wrong — two parts ice to one part fish by volume is the working rule, and under-icing is the most common reason a cooler appears to underperform.
Pre-chilling pays for itself. A bag that has sat in the sun starts the day with its own insulation at ambient, and the first ice loaded goes to cooling the bag rather than the catch.
Opening frequency adds up faster than anything else on a busy day, which is exactly what the external mesh pocket is there to reduce.
With 20 mm insulation, correct loading, a pre-chilled bag, and moderate conditions, this bag holds a catch comfortably through a full fishing day. For multi-day offshore trips or sustained high heat, specify the heavier 25 mm construction in our larger kill bag range instead.
Fish fluids weeping through a stitch line into the insulation layer is how most insulated fish bags reach end of life. The smell never comes out and the foam loses insulating value as it absorbs. A welded liner has no path for it.
Non-absorbent foam holds its value when wet. Open-cell or fibre fill soaks up meltwater, loses most of its performance, and cannot be dried out properly between trips.
Webbing runs the full body rather than terminating at stitched patches. A loaded 30-litre bag with ice can pass 30 kg, and that load goes into the structure instead of pulling a patch off the side.
The whole top opens. A slot opening forces a fish to be bent to fit, which bruises the flesh at the fold, and makes cleaning the inside awkward — which means it gets cleaned less thoroughly.
Meltwater goes out without opening the bag or inverting it over the side. A bag that has to be lifted and tipped to empty is a bag that gets emptied late.
The panel that takes abrasion from decks, gravel, and tailgates, and the reason the bag stands upright when set down loaded.
White is the technical choice. On an open deck in direct sun, a dark shell absorbs solar radiation straight into the insulation from the outside; a white shell reflects most of it. For anyone fishing unshaded through a summer day, white is the specification to take.
Blue, yellow, and black exist because this product has a second life that the larger kill bags do not. At 30 litres with a shoulder strap and a tool pocket, it is also a perfectly good soft cooler — for a beach day, a tailgate, a campsite, a match. A dedicated 120-litre offshore kill bag is only ever a kill bag; this one gets bought by people who fish twenty days a year and use the bag sixty.
For buyers building a range, that is worth planning around. Stock white for the fishing channel and carry at least one consumer colourway for general outdoor and gifting. It is the same product with two addressable markets, and the colour is what lets it sell into both.
| Model No. | SL-C377 |
|---|---|
| Product Type | Insulated Fish Cooler Tote |
| External Dimensions | 50 × 30 × 30 cm |
| Usable Capacity | Approx. 30 L |
| Insulation Thickness | 20 mm closed-cell |
| Shell Construction | RF (High-Frequency) Welded |
| Closure | Full-Length Zipper |
| Drainage | Side-Mounted Drain Valve |
| Handle System | Wrap-Around Webbing Handles |
| Shoulder Strap | Detachable, Adjustable |
| External Storage | Bungee-Laced Mesh Pocket |
| Base | Flat, Reinforced |
| Water Protection | IPX6 — sealed against spray and washdown; not submersion rated |
| Outer Shell | Scrim-Reinforced PVC Tarpaulin |
|---|---|
| Insulation | 20 mm Closed-Cell Foam, Non-Absorbent |
| Liner | Food-Grade Non-Absorbent Film, Welded Seams |
| Zipper | Moulded Tooth Chain, Full Length |
| Webbing | Reinforced Polyester |
| Mesh Pocket | Open Mesh with Elastic Bungee Lacing |
| Drain Valve | Threaded Plug with Gasket, Welded Mounting |
| Colourways | White / Blue / Yellow / Black |
| Country of Origin | Guangdong, China |
| Primary Function | Cold retention for a single angler's catch, carried by hand or shoulder |
|---|---|
| Recommended Ice Ratio | 2 parts ice to 1 part fish by volume |
| Recommended Method | Ice slurry — the welded liner holds water, which cools a fish to the core far faster than ice alone |
| Cold Retention | A full fishing day under moderate conditions with correct loading; varies with ambient temperature, ice ratio, pre-chilling, and opening frequency |
| Loaded Carry | Sized to remain one-person carryable when fully loaded |
| Liner Cleaning | Rinse and sanitise; non-absorbent surface does not retain odour |
| Secondary Use | General soft cooler — beach, tailgate, campsite, sports |
| Not Suitable For | Submersion; multi-day offshore cold retention (specify 25 mm construction instead) |
| OEM / ODM | Supported |
|---|---|
| MOQ | 300 pcs |
| Sample Lead Time | 7–15 Days |
| Production Lead Time | 30–45 Days |
| Custom Sizes | Available |
| Insulation Options | Thickness adjustable above or below 20 mm to target a price or performance point |
| Custom Colours | Pantone Matching; white recommended for the fishing channel |
| Logo Application | Silkscreen, Heat Transfer, Welded Patch |
| Structural Options | Rod holders, tie-down points, internal dividers, pocket layout, bottle opener, strap specification |
| Production Origin | Dongguan, China or Ho Chi Minh City, Vietnam |
| Trade Terms | FOB Guangdong |
| Standard Packaging | 1 pc per OPP Bag, Carton Packed |
|---|---|
| Retail Packaging | Hang Tag, Header Card, or Custom Colour Box |
| Carton Quantity | 15 pcs |
| Carton Size | 80 × 55 × 50 cm |
| Shipping Methods | Sea Freight, Railway Transport, Air Freight |
| Export Markets | North America, Europe, Australia, Southeast Asia |
| Application | Why It Fits |
|---|---|
| Kayak Fishing | Flat base sits stable in a tank well; loaded weight stays manageable for a solo launch and recovery. |
| Shore, Pier & Bank Fishing | Shoulder strap makes the walk in a one-trip job, with tools on the outside pocket. |
| Small Boats & Skiffs | Conforms to limited deck space and does not slide; stows soft when empty. |
| Lake & River Fishing | A day's catch for one angler with room for ice at the correct ratio. |
| Ice Fishing | Carries out on a shoulder; the welded liner handles slurry and cleans easily afterwards. |
| Transport Home or to Market | Drain valve managed en route; fits a car boot without a cooler's fixed footprint. |
| Beach, Tailgate & Campsite | The same bag as a general soft cooler — which is what the consumer colourways are for. |
| Promotional & Corporate Gifting | A large flat branding panel and a product recipients use year-round. |
Inspection runs at three stages — IQC on incoming materials, IPQC through welding and liner assembly, and OQC before the container is sealed. SGS or QIMA third-party inspection is available on request. Pre-production samples are always approved before mass production begins, and a final inspection is always carried out before shipment.
On this product the liner seal is the test that matters most. An insulated fish bag that leaks fluids into its insulation layer is finished — the odour never comes out, and the foam loses performance as it absorbs. That is a manufacturing failure rather than a wear failure, and it is the one a buyer should ask every supplier about.
| Test | What It Establishes |
|---|---|
| Liner Seal & Water Retention | That the inner chamber holds slurry without leaking into the insulation layer. |
| Insulation Thickness Verification | That the 20 mm layer is uniform across every panel, including base and lid. |
| Cold Retention Test | Temperature held over time at a controlled ambient with a defined ice load. |
| Bonding Strength Test | Weld integrity at shell seams, liner seams, drain valve mounting, and zipper interface under peel load. |
| Loaded Handle Test | Webbing, wrap path, and base integrity at and beyond fully loaded weight. |
| Zipper Fatigue (3,000 cycles) | Operation retained across a full service life on a zipper opened many times a day. |
| Drain Valve Seal Test | Gasket performance under a full head of slurry and after repeated opening. |
| Salt Water & Cleaning Agent Exposure | Shell, liner, and hardware resistance to salt and to the sanitisers used on fish handling equipment. |
| Bungee & Mesh Fatigue | Elastic retention and mesh integrity after repeated loading — the first component to slacken on a product of this type. |
| UV & Colour Fastness | Shell retention under sustained sun exposure, across all four colourways. |
Sized so a fully loaded bag is still a one-trip carry. Everything from the wrap handles to the flat base follows from that constraint.
The bungee mesh pocket keeps pliers, knife, and bait reachable without opening the bag — fewer openings, longer ice, and no sharp steel against the liner.
Holds ice and water together, which chills a fish to the core in a fraction of the time layered ice takes. Core cooling speed decides eating quality.
No stitch penetrations. Fish fluids cannot weep into the insulation, which is how stitched insulated bags reach end of life.
The whole top opens — a fish goes in straight rather than bent, and the interior can actually be cleaned.
Warm meltwater out without opening or lifting, which means it gets drained when it should be rather than at the end of the day.
Stands upright loaded, resists abrasion from decks and tailgates, and does not tip and empty itself on a slope.
White sells into fishing; blue, yellow, and black sell into general outdoor and gifting. The same tooling addresses both.
| Method | Best Suited To |
|---|---|
| Silkscreen Printing | Large-format logos on the body panel; the method used on stock product and the most economical at volume. |
| Heat Transfer | Full-colour artwork — charter branding, tournament graphics, species illustrations. |
| Welded Patch | A dimensional mark that adds no leak path to the welded shell. |
| Branded Zipper Pull | A detail handled every time the bag is opened. |
The side panels are large, flat, and uninterrupted, which makes this an unusually good branding surface. The mesh pocket area and the drain valve should be kept free of print.
The three questions buyers ask first are minimum order quantity, price, and whether logo customisation is possible. For this product: MOQ is 300 pieces, logo customisation is available by silkscreen, heat transfer, or welded patch, and pricing depends on quantity, colour mix, and insulation specification — send us your numbers and we will quote against them rather than against a list.
Beyond logo and colourway work we develop from the ground up: dimensional changes, insulation thickness adjusted above or below 20 mm to hit a price or performance target, rod holders, tie-down points, internal dividers, a bottle opener for the general-cooler channel, and alternative pocket and strap layouts.
Production runs in Dongguan, China and in Ho Chi Minh City, Vietnam. For buyers where origin affects duty treatment, the Vietnam facility is a live option on this platform rather than a future plan.
It is worth noting that our capability is not limited to welding. Sewn and stitched construction is an equally established in-house discipline, and this product already combines the two — a welded shell and liner with sewn, bar-tacked webbing carried around the body. If your specification calls for fabric panels, bound edges, or sewn attachment systems alongside a welded core, that is standard work here.
For offshore and charter use where fish are longer and trips run into a second day, our Large Fish Kill Bag range offers 90L and 120L capacities with a heavier 25 mm insulation layer and an airtight zipper.
For dry storage rather than cold storage — clothing, electronics, documents on the same trip — see our Waterproof Dry Bag with Viewing Window, available in nine capacities.
Through a full fishing day under moderate conditions, with a correct ice ratio and a pre-chilled bag. In sustained high heat on an unshaded deck, expect less. For multi-day offshore trips, our 25 mm kill bag range is the correct specification rather than this one.
Two parts ice to one part fish by volume. Under-icing is the most common reason a cooler appears to underperform. Loading a sacrificial layer of ice an hour before you leave also helps, because otherwise the first ice in goes to cooling the bag rather than the catch.
Both, at different times. Cold meltwater conducts heat away from fish far better than air and is worth keeping early in the day. Once it warms it becomes a heat reservoir sitting against the catch — that is when to drain. The valve exists so this can be done without opening the bag.
The liner is welded and non-absorbent, so fluids cannot reach the insulation — which is where odour becomes permanent in a stitched bag. Rinse, sanitise, and dry it open after each use. Any insulated bag zipped away wet will smell regardless of how it was built.
Yes — that is what the size was chosen for. Loaded with fish and ice at the recommended ratio it stays within one-person carry weight, on the wrap handles or the shoulder strap.
Washdown and hosing are fine; the shell is rated for spray and washdown. It is not submersion rated, so do not sink it or leave it floating full.
For one angler on a normal day, comfortably — once you account for the ice, which is the part people forget. If you routinely keep long fish or fish for a group, size up to the larger kill bag range instead of over-packing this one.
Yes, and many buyers do. Clean it thoroughly between uses and it works as a beach, tailgate, or campsite cooler — which is why the range carries blue, yellow, and black alongside white.
A white shell reflects solar radiation that a dark shell absorbs straight into the insulation. On an unshaded deck across a summer day the difference is real. Dark colourways are a better fit for general cooler use than for on-deck fishing.
300 pieces, and yes — silkscreen, heat transfer, or welded patch. Custom sizes, insulation thickness, and Pantone colours are all available at the same MOQ, from either our China or Vietnam facility.
Insulated fish bags are judged on something a specification sheet cannot show: what the ice looks like at the end of a hot day, and whether the bag still smells clean in year two. We suggest loading a sample with a known ice weight in the conditions you actually fish, and comparing against whatever you currently source. Samples ship in 7–15 days.
Send us your target quantity, colour mix, and branding requirement, and we will return pricing and a realistic production schedule.