Kangaroo design yellow stroller/car seat cover with a soft cooling and warming sheet. Easily attaches to strollers and car seats, keeping your baby comfortable on outings. The special gel can be cooled in the freezer for summer and warmed in the microwave for winter, allowing for repeated use year-round. Purchased about 4 years ago, used a few times during the summer of that year and the following year, then stored at home. The special cover shows little signs of use, but please understand that this is a used item before purchasing. <Main Materials> [Cooling/Warming Soft Sheet: Gel] [Special Cover: Outer fabric Cotton 80% Polyester 20% / Core Urethane foam / Lining Polyurethane 100%] Thank you for looking.