Waterproof Soft Cooler Tote Bag – 20 mm XPE Insulation, Airtight Zipper, IPX7, SL-I230

24 L welded 840D TPU cooler tote with 20 mm closed-cell XPE foam, food-grade leakproof liner and airtight zipper. 39 × 29 × 32 cm, 2.1 kg. MOQ 300.

At a Glance

Product Description

SL-I230 is a waterproof soft cooler tote bag measuring 39 × 29 × 32 cm (15.5 × 11.5 × 12.75 in) outside and about 35 × 25 × 28 cm inside, holding about 24 liters, or around 30 standard 330 ml cans without ice. It weighs 2.1 kg. The shell is 840D TPU waterproof fabric over 20 mm of closed-cell XPE foam on every side including the lid, and the food-grade TPU leakproof liner is welded into a single tub. The body is high-frequency welded with no stitched seams. The rectangular lid closes with an airtight waterproof zipper. On the front, a grey welded panel carries a water-resistant zip pocket for keys, a phone or a wallet. Black webbing tote handles are anchored on welded patches on both faces, and each end carries a webbing grab handle with a moulded hook anchor for the adjustable, removable shoulder strap, which has a padded shoulder section. The standard colourway is black with a grey front panel.

Why XPE Insulation

Most soft coolers use EPE foam, an expanded polyethylene with relatively large cells. SL-I230 uses XPE, a cross-linked polyethylene foam. Cross-linking the polymer chains produces smaller, more uniform closed cells, which makes three practical differences in a cooler.

In practice, 20 mm of XPE does more work than 20 mm of EPE, stays dry if moisture ever reaches it, and keeps the walls firm when the cooler is packed tight, stacked or sat on. The trade-off is weight and cost: XPE is denser than EPE, which is part of why this cooler weighs 2.1 kg.

Construction and Water Behaviour

The shell, liner and handle patches are high-frequency welded, so there are no stitch holes in the cold compartment or through the outer wall. The handles and front pocket panel are fixed to welded patches, never through the body. Melt-water stays in the welded liner instead of reaching the foam.

Cold Holding

Packed with ice, closed and kept out of direct sun, the cooler holds ice for up to 48 hours in our trials at 25 °C ambient. Results change with ambient temperature, sun exposure, how often it is opened and whether the contents were chilled before loading. The airtight zipper removes the air leak along the closure, and the XPE walls keep their thickness over time instead of compressing.

Engineering Specifications

Material Specifications

Functional Specifications

Customization and OEM

Packaging Specifications

Recommended Use

• Boating
• Fishing
• Beach days
• Tailgates
• Camping
• Road trips

Built for trips where the cooler is packed full, stacked or handled roughly. Suitable for drinks, food, bait and ice. Not intended for depth exposure.

Quality Inspection Standards

Every production run is checked at IQC, IPQC and OQC. The suite covers load testing to 1,500 cycles on handles and shoulder strap, zipper fatigue to 3,000 cycles, tensile and bonding strength on welded seams and handle patches, foam thickness checks, abrasion on the base, colour fastness and colour difference against the approved sample, and full water-immersion testing on finished coolers. Third-party inspection by SGS or QIMA can be arranged at the buyer's cost.

Product Highlights

20 mm closed-cell XPE insulation that holds its thickness and absorbs almost no water. Seamless high-frequency welded 840D TPU body and food-grade liner. Airtight zipper, IPX7 and leakproof in any orientation, up to 48 hours of ice under stated conditions. Front zip pocket on a contrast panel, tote handles, end grab handles and adjustable, removable shoulder strap. About 24 L, holding around 30 cans. MOQ 300 with two-tone custom colours.

Printing and Logo

The front zip-pocket panel is the main logo area. Screen printing suits solid one- to three-colour marks and resists UV and salt. Heat transfer and UV digital printing handle multi-colour and photographic artwork. Welded TPU patches and raised silicone prints give a tonal, textured mark. The two-tone layout lets body and front panel carry different brand colours. Artwork is required as vector files; a digital placement proof is returned before sampling.

OEM / ODM Capability

Sealock has manufactured insulated and waterproof gear for over 20 years, with factories in Guangdong, China and Ho Chi Minh City, Vietnam — the second site giving brands a non-China origin option where tariff exposure matters. We hold ISO 9001, BSCI, SMETA, Higg, GRS and SCAN certification, and produce insulated products for brands including STANLEY, Hydro Flask and CORDOVA.

The cooler body is high-frequency welded, while the shoulder strap and handle webbing are sewn, and sewn construction is an equally mature in-house capability rather than an outsourced step. Most demanding requirements can be met, from a colourway and logo change to thicker XPE, VIP panels, new sizes or full custom development; complex development with new tooling adds time to the first sample cycle, which is worth planning for early.

Related Products

• Welded Soft Cooler with Airtight Zipper – 420D TPU
• Waterproof Soft Cooler Bag – 12, 15 & 20L
• Insulated Cooler Tote Bag 30L – Airtight Zip
• Cooler Shoulder Bag – Airtight Zip, Padded Strap
• Custom Soft Cooler – OEM & Private Label

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