This McKesson Protective Bed Pad is made with a Super Absorbent Polymer Core to help wick away moisture into the underpad and reduce odors. Waterproof back sheet offers protection for accidental urine loss and other potential spills during hygiene procedures. The moisture proof lining traps liquid to better protect beds and chairs and keep them dry. Quilted design for better fluid dispersion and mat stability to improve user comfort. Mats are single-use, dispose after it becomes soiled. Measures 28" x 30".