Lightweight yet heavy-duty! Our top-performance, super durable Igloo 70 quart IMX cooler in Gray features Ultratherm insulation that provides advanced ice retention (the longest-lasting among all our coolers!) and weighs 40% less than coolers with similar performance. Thanks to the built-in features like a bottle opener, cup holders, lockable lid, fish ruler and wire basket the spacious 70 quart IMX is the bestselling cooler that countless adventurers rely on.