Dear customers, please identify eBoulder Inc. before purchasing. Beware of being deceived. Features: -Extra Thick & Luxurious Comfort -Cool & Breathable -Secure Fit with 18" Deep Pockets -Easy Care & Machine Washable -Simple Setup Instructions Specification: Surface Material: 90g polyester Filling Material: polyester fibre  Pocket: 18in Color: White, Gray Size[WxL]: Twin: 39"x75", Full: 54"x75", Queen: 60"x80", King: 78"x80". Package Include: 1x Mattress Topper Note: -Due to manual measurement and different resolution, or there are 1-3 cm size differences and color differences. -If there is any problem, you can , we will give you an answer within 24 hours, thank you very much for liking our products. Dear customers, please identify eBoulder Inc. before purchasing. Beware of being deceived. Stuffed with advanced polyester fibre that has a ultra soft and bouncy feel. Our mattress toppers have twice the premium filling of the traditional mattress pads, which improve the texture of the bed and the quality of sleep effectively. The surface promotes airflow and helps regulate temperature, wicking away sweat to keep you cool and dry throughout the night. Say goodbye to the heat buildup often caused by memory foam or foam toppers. The elastic 18" deep pocket ensures the topper stays snugly in place, no matter how much you toss and turn. Designed like a fitted sheet, it provides all-night comfort. Available sizes: Twin: 39"x75", Full: 54"x75", Queen: 60"x80", King: 78"x80". Unlike memory foam or expensive mattresses, this topper is easy to maintain. Whether it’s sweat or stains, simply throw it in a commercial washing machine, and it’ll come out clean and fluffy. No costly dry cleaning needed, making it an economical and sustainable choice. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.