*12.20 Oz. Made from premium neoprene, keep your food warm or cold for a longer time.*Neoprene is the same material that is primarily used by scuba divers to maintain their body temperature when diving and from the same fabric used for baby insulated bottle bags.*Maintains the temperature of the food or drinks for approximately 3 to 4 hours.*Shoulder strap and top handle make it comfortable to carry.*Stretch enough to fit food containers, bottles and lunch boxes.*Dimension: 6.69" x 15.04" x 14.21" large capacity. Bags, Neoprene Lunch Bag, Lunch Bag, Large Bags, Bottle Bag, Insulated Bottle, Top Handle, Food Containers, Strap