The Fridge-to-Go Travel Wallet is back! The exterior is made from a smooth durable rip-stop nylon. Features include inside mesh zippered pockets pen and vial elastics and an exterior zippered pouch. Interior freezer gel panels keep your essentials cool for hours. Designed for transportation and cool storage of diabetic or other medical supplies. Freeze the wallet in the freezer overnight (in the drawstring bag included) fill with supplies and begin your day with confidence. The Fridge-to-go travel wallet was designed so you would not have to remember to replace the gel packs.