This product is made of an insulated fabric and sold along with reuseable ice blocks that are placed within lined pockets of the padding. The cooling protection lasts up to 10 hours in extreme heat. The BabyBeeCool Car Seat Cooler Pad was designed in the heat of the Arizona desert. Interior car temperatures can reach in excess of 185 degrees Fahrenheit, and the BabyBeeCool Car Seat Cooler Pad can make a car seat up to 100 degrees cooler. BabyBeeCool received The Toy Man Seal of Approval in 2008. Warning: Do not place child on top of cooler pad when child is in the car seat. Do not cover child with cooler pad. This product is for use on car seat only.