This is an old item that was stored in my grandmother's chest, so please be aware that the box is dirty. It is new. Since the box is dirty, I will ship only the contents or clean the box before shipping. Polyester waterproof sheet, please refer to the size. Model OK-3. - Model: OK-3 - Material: 100% polyester - Size: Approximately 180 x 180 (100) - Waterproof function: Yes - Manufacturer: Koyama Co., Ltd. Thank you for viewing.