15" Cooler (Turns into Backpack Bag) FEATURES: Cooler converts into a backpack! Very Cool FEATURES "BONUS". MATERIAL: 600D Polyester w/ PU. SIZE: 11" X 15-1/2" X 5-1/2" (Open). 11" X 6" X 5-1/2" (Closed). COLORS: Royal, Red, Black, Navy, Dark Green. INTENDED USE: Cooler, Lunch Cooler, Soda Can Insulated Holder, Picnic Cooler, Lunch Pail