This waterproof mattress pad is designed to help protect if from wear and damage while offering a soft and comfortable feel on top. The jersey construction provides a breathable material for cooler and more comfortable sleeping. Fits Mattress Depth: Up to 15" Dimensions (Overall): 80 Inches (L) x 39 Inches (W) Fill Material: 100% Polyester Textile Material: 75% Nylon, 25% Polyester Protective Qualities: Waterproof Fill Density: Soft Textile construction: Jersey Machine Wash & Tumble Dry