Sheets that combine high water absorbency and waterproof properties, and are machine washable. - Waterproof: Uses TPU material that absorbs and does not allow moisture to pass through - Machine Washable: Can be machine washed, and can also be tumble dried - Material: 100% polyester with high water absorbency - Absorbent and Quick-drying: The surface is highly absorbent and quick-drying - JIS Standard Compliant: Complies with JIS standards for waterproofness Thank you for viewing. Although washed, there is a feeling of use and some pilling.