DESCRIPTION These are serious coolers designed for extreme adventure. Or even just for when you have a lot of stuff to keep cold and don't want to lug a huge, hard, bulky cooler around.  With a 1000 denier exterior tarpaulin fabric, seams rated to 65 pounds, and a padded, ventilated backpack strap system, this is absolutely the world's most portable HIGH-CAPACITY, high-performance cooler. SPECS 20" tall, 14" wide, 11" deep (when closed) Capacity = 24 cans plus ice 4.30 lbs FEATURES TriFold DriTop System: Foolproof seal to keep ice in and air out. MuleSkinET and MuleSkinEV: Tough 1000 denier Outer layer for exceptional strength and durability; heavy-duty inner layer 2x thicker than most soft coolers. ComfortCarryIMP SysteM: Reinforced back-straps plus ventilated back pads provide ultimate comfort for long-range excursions. PolarLayer Insulation: Keeps contents “IceMule Cold” for up to 24 hours. IM AirValve: Allows for insulation layer air removal so the coller can roll up for storage in its stuff sack.