Thank you for viewing. This is a waterproof sheet from Keratta, made of 100% cotton (no anti-mite chemicals). I accidentally purchased a set of two, so I am offering one for sale. ● Size: Semi-double (120 x 200 cm) ● Condition: Purchased on June 13, 2025, opened once, brand new and unused. I only opened it to take out the one sheet I'm using, and this sheet has not been taken out or unfolded. ※ Please refer to the photos posted on Rakuten for a detailed product description. ● Other notes: The contents are one semi-double waterproof sheet. It has been stored in my apartment at home, where I do not have any pets such as dogs or cats. Please understand that this is home storage. Please check the details of the design in the photos. - Size: 120 x 200 cm - Material: 100% cotton - Type: Waterproof sheet