Salk Company CareFor Deluxe Underpad 36" x 54", Three-layer Construction, PVC/Polyester Back Sheet, WaterproofCareFor Deluxe Reusable Underpads are designed to control and absorb liquids. The quilted design and three-layer construction will not slip, ball or shift. PVC/polyester back sheet is totally waterproof and provides a nonslip surface. Pad features a stay-dry top layer that protects bedding and chairs. Brushed polyester top sheet with antibacterial, antifungal finish wicks fluid away from patient and inhibits bacterial growth. Protects bedding and chairs. Pad features a stay-dry top layer. Brushed polyester top sheet with antibacterial, antifungal finish wicks fluid away from patient and inhibits bacterial growth. Fill has 10 oz. poly/rayon soaker that absorbs and traps fluids.PVC/polyester back sheet is totally waterproof and provides a nonslip surface. Quilted construction means that the pad maintains its shape. Waterproof binding prevents moisture from wicking over the edge.