Welded waterproof cooler bag 20L in waterproof fabric. Leak-proof insulated soft cooler keeps drinks cold for hours — camping, picnic & beach. OEM/ODM.
Welded Waterproof Cooler Bag 20L | Insulated Soft Cooler for Camping, Picnic, Beach
Description
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Our welded waterproof cooler bags pair welded, leak-proof construction with high-density thermal insulation to keep food and drinks cold for hours. The durable TPU shell resists water, tears and heavy use — perfect for camping, picnics & beach. Custom colors, sizes and logos available for OEM/ODM.

Waterproof Cooler Bag for Camping and Picnic — view all waterproof cooler bag
- Item No.: SK25056
- Logo: Customized
- Capacity: 20L or customized
- Material: TPU Tarpaulin
- Lining: PVC
- Size: 32* 16.5* 38cm or customized
- Color: whale gray or customized
- OEM/ODM: OEM
- Delivery Term: FOB, CIF, DAP, DAT, DDP
- MOQ: 300pcs
- Sample Lead Time: 7days
- Lead time: 50days
- Supply Ability: 30,000pcs/m
- Packing: 1pc/PE bag
- Carton Size: 34* 35* 40cm/ 2pcs
- G.W.: 5.3 kgs/ctn
- Export Port: Xiamen, China
- Payment Terms: T/T, L/C, D/A, D/P, PayPal
Product Key Features
Welded Waterproof Cooler Bag 20L
- Leak-Proof Welded Seam Construction
- High-Density Thermal Insulation
- Keeps Food & Drinks Cold for Hours
- Waterproof, Tear-Resistant TPU Shell
- Easy-Clean Interior Liner
- Custom Logo, Color & Size (OEM/ODM)
Product Highlights
Welded Waterproof Cooler Bag 20L
- Welded Leak-Proof Design: RF-welded seams create a watertight, leak-proof shell — no sewn seams to soak through, no condensation dripping out.
- Serious Cold Retention: Thick high-density insulation keeps drinks and food cold for hours at the beach, campsite or tailgate.
- Waterproof & Wipe-Clean: The TPU exterior resists water and sand; the smooth liner wipes clean after every trip.
- Easy to Carry: Comfortable handles, adjustable shoulder strap or backpack harness options suit any outing.
- Built for Outdoor Life: Made for camping, picnics, fishing, boating, beach days and weekend BBQs.
- OEM/ODM Customization: Custom capacity, colors, materials and logos with low MOQ and fast sample service.
【FABRIC】The Hopper’s high-density fabric is waterproof and resistant to mildew, punctures. The liner is made from an FDA-approved food-grade material. That’s why we have always been the best seller’ supplier.
【COLDCELL INSULATION】Closed-cell rubber foam offers far superior cold-holding to ordinary soft coolers.
【SPACE】Part cooler is the perfect reason to extend your trek. It’s sizable enough to fit a day’s worth of drinks and food for you and your crew. The insulated dry cooler bag has an inside measurement of 12 5/8 x 6 ½ x 15 inches. Big enough to hold 20 cans with a 2:1 ice-to-can ratio.
WHY Choose Us
Skysoar Bags — RF Welded Waterproof Bag Manufacturer
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Skysoar Bags is a professional RF welded waterproof bag manufacturer and exporter based in China. We specialize in high-frequency RF welding, hot-air welding and ultrasonic welding — producing dry bags, waterproof backpacks, cooler bags, bicycle bags, duffel bags, laptop bags and more, all built with welded seams instead of needle holes for true waterproofing.
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With 18 mass production lines and 480 skilled workers, our monthly output reaches 400,000 pieces. Every bag is quality-inspected before shipping, and our team provides full OEM/ODM service: custom materials, colors, sizes, logos and packaging with low MOQ, free samples and reliable lead times. Contact us for a quotation — we ship worldwide on FOB, CIF and DDP terms.
Looking for a reliable waterproof cooler bag? Skysoar Bags offers this waterproof cooler bag with full OEM/ODM support — custom colors, sizes and logos for your brand. Our waterproof cooler bag is quality-checked before shipping worldwide.
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Want to know more about how waterproof cooler bag designs are made? See how insulated coolers work on Wikipedia. We also recommend reading about waterproof cooler bag care and storage for longer service life.
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Our waterproof cooler bag range is built for everyday use. Whether you are looking for a waterproof cooler bag for work, travel or outdoor activities, this waterproof cooler bag delivers dependable performance at a competitive price.
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Every waterproof cooler bag in our range is checked for quality before shipping, so your waterproof cooler bag arrives ready to use. Order a waterproof cooler bag in bulk and enjoy custom branding and packaging options.
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Looking for a reliable waterproof cooler bag? This waterproof cooler bag is one of our best-selling styles for its balance of quality and value. Contact us for pricing on this waterproof cooler bag and other models.
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Looking for a reliable waterproof cooler bag? This waterproof cooler bag is one of our best-selling styles for its balance of quality and value. Contact us for pricing on this waterproof cooler bag and other models.
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Contact our sales team for this waterproof cooler bag — we reply within 24 hours with pricing and lead time for your waterproof cooler bag order.









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