This is a new, unopened product. [Product Description] - Size: 90cm x 180cm - Application: For futon - Features: Sheet that prevents heat from escaping - Material: Uses the power of aluminum A futon sheet that uses the power of aluminum to prevent heat from escaping. Uses a material that is non-slip on both sides. Anti-mite treatment makes it difficult for mites to gather. It is said that warming your back can prevent colds. Cold days continue, please enjoy a warm sleep with this sheet. We aim to ship the product within 24 hours of confirming payment. Thank you for viewing.