The Gundog Outdoors Dog Food Dry Bag is designed to keep your dogs food dry whether you're traveling or in the field. The dry bags are a canvas shell lined with food safe plastic. Simply roll down the top and buckle the straps to keep the food dry on the go. Each bag can hold up to 45 Cups of food and GDO travel bowls in the mesh pouches. These bags are 8"X 17.5" (Unrolled) 14" (Rolled Down).