【Soft Fabric】Mattress Pad Cover surface is made of 100% cotton, which is breathable, fast drying, and shrinkproof, and can absorb sweat and moisture to keep the skin dry and cool. The interior uses fiber with higher elasticity as the filler, which is soft and elastic, with a fluffy thickness of up to 4 inches. It can easily capture air to make the mattress breathe, prevent back pain and sleep more comfortably, and feel like sleeping on the cloud. 【Deep Elastic Pocket】Queen Mattress Topper has a variety of sizes and deep elastic pockets, which can tightly wrap the 8-21 inch mattress. With strong support, it can relieve the body pressure points and reduce the thermal sensation caused by the top of the mattress. With enhanced wear protection, it can soften the hard mattress and extend the service life of the mattress. 【Easy Care】 Cooling Mattress Topper is detachable and foldable, which is easy to put on and take off for cleaning. It can be machine washed in a gentle cold water cycle, helping to protect your mattress from stains and splashes. No need for expensive dry cleaning, economical and sustainable.