This is a 60x90cm waterproof sheet with a cooling function. - Product Name: Cooling Waterproof Sheet - Size: 60 x 90 cm Thank you for viewing. I am selling this because I will not be using it. It is a B-grade item, so it is stated that there may be some scratches or stains, but since it is unopened, the extent is unknown. (It looks clean from the outside of the bag) If you have any questions, please feel free to comment.