About the Premium Dimpled Waterproof Mattress Protector: 100% Waterproof and breathable polyurethane backing protects the mattress from stains, spills, incontinence, and other bodily fluids 100% polyester stretch knit in a soft, cool and comfortable dimpled design 4-way polyester stretch knit contours to the mattress, allowing for a quiet and comfortable sleep Safe for children and pets, inhibiting allergens and dust mites from entering the mattress, creating a healthy sleep environment Oeko-Tex® certified for environmentally friendly, responsible and sustainable fabric production Machine washable 10-year warranty Fits mattresses up to 18 inches deep Premium Dimpled Waterproof Mattress Protector Size Chart: Twin - 39" x 75" Twin XL - 39" x 80" Full - 54" x 75" Queen - 60" x 80" King - 76" x 80" California King - 72" x 84"