The Pop Quiz sulphur spring 12 pack cooler from Herschel Supply Co. is the perfect accessory for any group activity with its foam padded insulation that keep contents cold all day and leakproof liner to prevent any mess. The large main compartment features a large zip-closure, and a smaller quick access hook-and-loop closure; plus, a smaller zip closure compartment is located on the side of the cooler which comes with a key clip bottle opener.