Recommended Points: ・Protects your mattress from moisture and stains with a TPU waterproof membrane. ・Three-layer construction provides both absorbency and breathability. ・360° all-around elastic for a secure and comfortable fit. ・Fits mattresses up to approximately 35cm thick. ・Easy care: Machine washable. Product Description: This waterproof box sheet protects your mattress from moisture and stains. The surface is made of soft cotton, and the back uses a TPU waterproof membrane. The three-layer construction prevents stuffiness, and the 360° elastic prevents slipping. Double size (140 x 200cm), fits mattresses up to approximately 35cm thick. Machine washable. [Size] Approximately 140 x 200cm (Double) [Compatible Mattress] Thickness approximately 2-35cm [Color] Deep Gray (Dark Gray) [Material] Surface: Cotton / Back: TPU Waterproof Membrane [Specifications] Three-layer construction, 360° all-around elastic ※This product is listed on multiple sites simultaneously. In rare cases, it may be out of stock. In such cases, we may have to cancel your order. Thank you for your understanding. ・Please feel free to ask if you have any questions! ※Please read the profile before purchasing.