Warm cotton seal weave wrap sheet (single size). With the fluffy, brushed texture unique to seal weave, it's warm from the moment it touches your skin, making it perfect for bedding in the cold season. The wrap-around type makes it easy to enclose your futon and prevents slipping, which is also a nice feature. Made mainly of cotton for a gentle feel, it comfortably supports your sleep every night. Recommended for those who don't like synthetic fibers. *Trivia* Cotton seal weave is a traditional product made in the Koya-guchi area of Wakayama Prefecture, at the foot of Mount Koya, and is a genuine product made in Japan. Also known as Koya Pile, it is a famous product with a texture that makes you think of seal fur. Recommended uses: Winter sheets / Cold weather対策 / For guests, etc. Single 105x230 Pile: 100% cotton, Ground: 100% acrylic