39x80x15 Twin XL Perma-Dry Quilted Mattress Pad Fitted, Three Layer Barrier Fabric, Poly/Cotton Quilted Face, Middle Layer 1 mil. Poly Urethane 100% Brushed Poly Back, UltraFresh, Waterproof 70-150 PSI, Breathable (MVTR up to 600), 5" Onion Quilted Design