Fall in love with Chilly Cheeks and enjoy more autumn fun! You can stay cool during the day and warm at night with Chilly Cheeks. This seat works when it’s hot and works when it’s not! Chilly Cheeks is a patent-pending, butt tested, hot & cold-body approved cooling & warming seat cushion. Chilly Cheeks can cool your cheeks quick, or warm your fanny in a flash.