1. 【Extra Thick & luxury Comfort】：Drift into a sounder, deeper sleep on this overfilled pillow top mattress topper. Filled with supportive 3D snow down alternative fill, it distributes weight evenly and alleviate pressure points, allows you sleep soundly and wake up without back pain. Ideal for side, back or stomach sleepers. Notice the difference as soon as you sleep on it.2. 【Cool & Breathable】: The 400TC combed top surface features good ventilation and distributes heat to help regulate temperature. It will wick away sweat and keep you cool and dry. Reduce hot feeling caused by memory foam mattress or foam mattress topper. 3.【Elastic Deep Pocket】: Elastic deep pocket will wrap mattress(8-21”) tightly. It works like a fitted sheet so the mattress topper will keep in place no matter how you toss and turn on your bed. Feel free to relax on a cloud of comfort.Twin 39"x75"+18"/Twin XL 39"x80"+18"/Full 54"x75"+18"/Queen 60"x80"+18" /King 78"x80"+18"/CalKing 72"x84"+18"4. 【Machine Washable & easy Care】: Be it sweat or stains, you will never get them out of memory foam topper or expensive mattress. This mattress topper will take care of them all. If it gets dirty, just throw it into a commercial washing machine, it will come out fluffy and clean after washing and drying. No expensive dry cleaning necessary. Economical and sustainable.5. 【100% Customer Satisfaction】：Please leave it several hours before use or just put it in a dryer machine for fluffier. We provide100% satisfaction after sale service, if there is anything wrong with your order, please just feel free to contact us, we will make every effort to solve your problem.