STAY DRY MATERIAL - 100% Waterproof; Easy Access Lid, Wide, Flip-top for easy access; Waterproof Zipper, works great for hot beverages; Anti-Microbila Liner, Resists Mould; Heavy duty Nylon Shell, Puncture and Tear resistant; No Sweat Exterior, The outside stays dry; Closed-Cell Insulation 2" on top and 1" o sdies locks in the cold; Lightweight and Durable, Tough, Laminated fabric and welded seams, makes this a must for all purpose use. Four Sizes to chose from: 12 CANS = 13.4"x10.2"x8.1" 18 CANS = 13.4" x 10.5"x10.5" 24 CANS = 14.4" x 10.5" x 12.4" 30 CANS = 14.4"x10.5"x 15.4"