Duck & Goose Co Plush Durable Premium Hotel Quality Mattress Topper, Hypoallergenic Down Alternative Fiber with 10-Year Warranty Twin Size 1.Thickness:2",Filling:microfiber. 1400gsm premium quality plush microfiber for the ultimate in softness and comfort, constructed from light breathable fabric for optimal relaxation 2.Anchor bands and stitching ensure secure fit and adapts to mattress depths from 6" to 22" 3.Hypo-allergenic and anti-bacterial, the ideal solution for allergy sufferers. Acts as an effective barrier for dust mites and allergens 4.Machine-washable and dryable for your convenience 5.Ten-year warranty for your satisfaction and peace of mind