Mizu Care Waterproof Sheet Single, Light Blue Surface: Pile (the part that touches the skin) 100% cotton, Ground 100% polyester Back: 100% polyurethane (coating) Retail Price: ¥2,280 【Dryer Safe】Waterproof Sheet Single 100 x 205cm, 100% cotton pile, bedwetting sheet, coated, washable, breathable, flat type, elastic corners, waterproof sheet, waterproof mattress pad, for nursing care, menstrual blood stain prevention, Mizu Care Non-scratchy, breathable waterproof sheet, dryer safe, formaldehyde-free, safe for babies to adults, can be used on nursing care futons and bed mattresses, less stuffy, easy to care for These were good quality, so I repurchased several for my children a few years ago. Wash in a net, spin briefly, and hang to dry, or use a dryer. Home-cleaned, stored at home. Please refrain from purchasing if you are concerned as these are used items. Please forgive any oversights. Will be placed in an A4 zipper bag, then in an outer bag, and sent via Yu-Packet Post. Thank you for looking.