Its 100% leak-proof design features a DryHide™ Shell and RF Welded seams for extreme durability on any fishing trip. The Hopper 40 holds 36 cans or 40 lbs. of ice. With ColdCell™ Insulation, the Hopper 40 keeps your items ice cold while the HydroLok™ Zipper ensures a strong and sealed barrier. Hitchpoint® Grid allows multiple attachments like bottle openers, carabiners, and different ways to secure it to pretty much anything.