Mattress Toppers are made of premium quality material.Made up of 100% polyester fiber that gives you cozy feel.It provides extra plush padding and support for your shoulders and hips.Filled with 100% polyester virgin hollow fiber. Our Mattress Topper comes wit elasticized corner straps which are best thing to prevent topper from slipping and gives a snug fit and providing consistent comfort.Start your restful sleep from a great down alternative mattress topper.Easy to install with on/off elastic bands.Toppers are 4 inch or 10 cm thick approximately. Mattress topper comes in different sizes perfectly fits to your mattress like mattress topper double size, king size mattress topper, mattress topper single and super king mattress topper.SINGLE: 90cm X 190cm approx.DOUBLE: 137cm X 190cm approx.KING: 150cm X 200cm approx.SUPER KING: 183cm X 200cm approx. Maintenance of microfiber mattress toppers is very simple. Machine washable below 40 degrees. Washable with similar colors & choose the most gentle washing way. Add only comfort and no worries.