Pigeon Corporation Habinurs Nursing Care Supplies Heat-Resistant Waterproof Sheet, Antibacterial Treatment for Hygiene Size: 140 x 90cm Heat-resistant material, so electric blankets OK, dryer OK Waterproof to prevent bed wetting, soft pile fabric Comfortable and doesn't wet the bed Retail price: 3960 yen (tax included) Purchased at Aeon, so tape is still on the barcode. I bought it but didn't use it and stored it for about a year.