Two fluffy, stretchy box sheets perfect for winter warmth, semi-single/single size. Material: Polyester fiber. All-around elastic Made in China Specifications: Semi-single/single size. We have prepared warm bed sheets perfect for cold winters. Especially ideal for northern cold regions like Hokkaido. Limited stock, available while supplies last. Discount available when purchasing 4 or more! Take advantage of the bulk purchase and get a great deal! Thank you.