Convenient cool this versatile cooling pad is filled with phase change material for hours of comfort. Use it on your pillow, your office chair or in your car to enjoy a cool surface for hours. Once the pad stops absorbing heat, lay it flat or place it in a cool environment to quickly restore it to a cooling state. Pad is non-toxic, portable and Easy to clean.The passive cooling in these pads is activated by your body heat, so it keeps you cool with no energy and no noise. They are safe to use long term; they will never become so cold as to be dangerous--just pleasantly cool. Includes: 1 Blue Cushion Additional Details ------------------------------ Product description: Convenient cool this versatile cooling pad is filled with phase change material for hours of comfort. Use it on your pillow, your office chair or in your car to enjoy a cool surface for hours. Once the pad stops absorbing heat, lay it flat or place it in a cool environment to quickly restore it to a cooling state. Pad is non-toxic, portable and Easy to clean.The passive cooling in these pads is activated by your body heat, so it keeps you cool with no energy and no noise. They are safe to use long term; they will never become so cold as to be dangerous--just pleasantly cool. Includes: 1 Blue Cushion