Fully waterproof polyester sheet, OEKO-TEX certified. - Size: 140 x 200 x 30CM - Material: 100% Polyester - Certification: OEKO-TEX certified The above description was generated by AI. This is a fully waterproof fitted sheet, double size. Purchased in May 2023. There are no visible stains to the naked eye, but as it is bedding, please purchase only if you are not concerned. Also, it was not stored specifically for sale, so there are wrinkles. It will be compressed for shipping, so it is expected to wrinkle considerably. Thank you.