The Polar Skin Cooler is a portable and highly insulated option that allows for the carry of Polar Skin products in the field and keeps ice from melting for 24 hours in 100+øF heat. This black cooler fits two (2) Polar Skin Comprehensive Cooling Systems plus ice. Constructed of rugged canvas, a durable sweat/leak proof vinyl liner, and 3/4 in. thick high-density, closed-cell foam insulation. Cooler comes with a waterproof pocket, padded shoulder strap, and a lifetime warranty.