The Lifoam Coca-Cola Koolit bag is made with Lifoam"s super kool insulation material. This offers superior insulation and protection. The seams are heat sealed to make the bag leak-proof. You can use it to carry your lunch or to protect your gear in wet weather. Its large capacity can hold 12 each 12 ounce cans with ice or 2 each wine bottles. The snap together handle at the top makes for easy carrying.