Polar Bear Coolers The Original Performance Soft Cooler - H2O Waterproof INSULATION - Keep ice 72 Hours in 100+ degree heat - The Polar Bear H2O houses up to 1.5" thick CLOSED-CELL FOAM insulation (easy to fake it, hard to make it) INTERIOR LINER - Anti-Microbial FDA Food-Grade TPU DOUBLE COATED NYLON - Consumer SAFE for perishable storage - Most durable and longest-lasting liner ever built into a soft cooler - If it's not TPU DOUBLE COATED NYLON, it's NOT a Polar Bear OUTER SHELL - High Performance Waterproof Tarpaulin - It's like the material in a white water raft - FEEL the difference (easy to fake it, hard to make it) ZIPPER - Super Heavy-Duty YKK #10 Weatherized Rubber Coated Splashguard Zipper (keeps water out, not in) - Our patented zipper design keeps the zipper from ripping out of your cooler (easy to fake it, hard to make it) HARDWARE - Two heavy-duty alloy side-release buckles that double as bottle openers - 8 stainless-steel tie-downs (2 on each side) - 4 carabiner bow-tie daisy chains (2 on each side) and 1 shoulder strap