This is a Charle cooling gel pack & pillow pad. Please chill the gel pack in the refrigerator before attaching it to the pillow pad and using it. Do not put it in the freezer, as over-chilling may cause frostbite. Please read the precautions carefully before use. Although it is new and unused, it has been stored at home for many years, so please understand this before purchasing. Cover size: 39cm x 54cm