About this item RUGGED AND VERSATILE – From our proprietary MuleSkin fabrics and the game-changing IM AirValve, to the welded seams and padded straps — these soft sided cooler bags are built to outlast your next beach day, hike, picnic and more. 24+ HOURS OF COOLING – Ultra-tough Muleskin Exterior and Interior plus PolarLayer Insulation ensures strength and superior ice retention to maintain ice-like temperatures 24+ hours. Holds 15 Liters or 15 cans + ice; 9”L x 8.50”W x 17”H HANDS FREE COOLER – This lightweight, backpack-style cooler has two padded and ventilated straps that leave both your arms free to grab your surfboard, fishing pole, or any other adventure gear. Perfect portable cooler for men and women. COLLAPSIBLE DESIGN – When your cooler is empty and you’re on the move, just roll it up and pack it with you. Also makes the perfect carry on for traveling parents, and the front zipper pocket is great for storing accessories and keeping them dry. WATERPROOF & BUOYANT – Welded seams and zipper-less closure makes this a waterproof, floating cooler. The IM AirValve allows air to be added to insulation layer – so the ICEMULE can float right next to your kayak (even when full!).