About this item INSULATION - Keep ice 24 hours in 100+ degree heat - 1" thick 10 Gauge HIGH-DENSITY foam insulation - BEST QUALITY, HIGHEST DENSITY foam insulation (easy to fake it, hard to make it) INTERIOR LINER - 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 - Rugged 840 D LUGGAGE GRADE Nylon Outer Shell - All seams are DOUBLE HEMMED and anchor stitched (easy to fake it, hard to make it) ZIPPER - Super Heavy-Duty YKK #10 weatherized zipper (RUST PROOF) - Our patent-pending zipper design keeps the zipper from ripping out of your cooler (easy to fake it, hard to make it) SIDE ZIPPER POCKET - This side zipper pocket area can be embroidered with your company logo or monogrammed for personalization - For details visit the Polar Bear Coolers website and send your logo