Nathan Kids' Insulated Lunch Bag (Flames) Made from a durable and easy to clean 12oz. cotton. Easy to grip handles and a full zipper closure. Extra thick insulation keeps meals fresh for hours. PEVA-line interior makes spills easy to wipe-clean and helps prevent leaks. Interior mesh pocket is perfect for holding an ice pack. Bag measures to approximately 9 tall 4.5 deep and 7.5 wide. All materials are completely non-toxic BPA-free and PVC-free. Includes one ice pack.