The Sertapedic Superior Loft Mattress Pad is designed to provide optimal comfort and support for a rejuvenating night s sleep. Its overfilled design features a 1.5 gusset that helps enhance the cushion of your mattress for ultimate loft while its moisture-wicking properties help keep you cool and dry all night. The fiberfill is hypoallergenic and the soft microfiber cover is treated with Microban antimicrobial protection on an odor-resistant fabric. The Sertapedic Superior Loft Down Alternative Mattress Pad also has elastic along the edges that delivers a snug fit to keep it secure on mattresses up to 18 deep. For easy care and maintenance this mattress pad is machine washable. Available in Twin Twin-XL Full Queen and King sizes. Item ships in vacuum-sealed packaging for a reduced carbon footprint. Not just sorta comfortable Serta comfortable.