According to the National
Safe Kids Campaign
Car seats and the metal buckles can get extremely hot when temperatures outside reach just 85 degrees. Sensitive skin can easily get burned from the hot metal buckles. Hot air gets trapped behind your cub which leads to sweaty backs and unhappy cubs.
A portable car seat cooling device that is placed on the car seat after you remove your cub. While you are out livin (dining, shopping, playing, etc.) the Kool Seat will keep your cub's car seat chillin. Remove the Kool Seat and place your cub in a cool seat with no risk of burns.