ULTRA SOFT: Niagara Queen Mattress Topper is made from viscose made from bamboo fiber and fits mattresses 8-20 inches deep. The mattress topper queen is 60x80 inches in size, gentle on sensitive skin, and ultra-soft. CLOUD-LIKE SLEEP: This queen mattress topper adds an extra cushion to provide full body support. The back support mattress topper queen is also cool and sweat-absorbent for extra comfort. EASY TO USE: The cooling bed pad has a deep pocket, is easy to put on, and has extra-length stretchy sides for thick mattresses. The puffy mattress topper is machine-washable and is packed in a compressed package. After taking it out from package, shake and pat it, leaving it for 48 hours or tumble dry on low heat for 20 minutes. MACHINE-WASHABLE: The queen matress topper is safe for washing machines and has no harmful chemicals like latex or formaldehyde. The queen bed pad is easy to put on and won’t slide off. SATISFACTION: Get 100% satisfaction with the active cooling mattress topper. Our queen mattress toppers are backed by a promise that you’ll love them. Enjoy sound sleep today with a hard topper! Niagara Sleep Solution Ultra Soft Queen Size Mattress Topper - Viscose Made from Bamboo Pillow Top Mattress Pad for Back Pain Relief - Naturally Cooling for Hot Sleepers, Black Filling: 600 GSM / 65.5 oz, 7D hollow + 3D fine fiber blend. Cover: 300 TC, Skirt: 150 GSM elastic, fits mattress depth 8–21 in. Size: Queen 60×80 in. Certification: OEKO-TEX STANDARD 100 No. 15.HCN.57692. Machine washable, retains properties up to 50 washes.