Specialized open cell foam air trap design.Leak proof / Sweat proof Dura-Temp liner.Heavy duty #8 weatherized rubber-coated zipper.Side pocket with rubber coated zipper.Padded shoulder strap.Side release buckles, heavy duty built to last.Velcro wrap around handle.Zipper pull-tab / bottle opener.Will keep ice for at least 24 hours in 100-degree heat.Dimensions: 21"L x 13"W x 13"HHolds 48 - 12 oz Cans Plus Ice Satisfaction Guaranteed!