DOUBLE INSULATION: The adventure cooler is constructed of a high-density polyethylene outer shell, a polypropylene inner layer, and filled with double-wall foam that retains temperature of ice box cooler for up to 36-Hours, nearly 40-percent longer than your typical cooler. EXTREMELY DURABLE: The high-density polyethylene out shell makes it durable cooler which you can double as seat or stool, the sturdy latches, hinges and silicone gasket are added to lid which makes leak proof, with the durable rubber string you can hold Stanley vacuum bottle or other accessories on flat top. EASY TO TRANSPORT: The heavy-duty top handle makes this cooler easy to grab and carry. The strings along the top can hold down a bottle or thermos giving you an extra free hand. It's large yet light, weighing only 6.6 lbs. when empty. LEAK PROOF: The silicone gasket on the lid is supposed to ensure superior insulation and, coupled with the sturdy latches on the outside makes it completely leak proof, the BPA free drain plug at bottom is highly efficient and leak proof. Color: Light yellow.