This TYE Medical 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. Mats are single-use, dispose after it becomes soiled. Measuring 30" x 30", these bed pads are available in a convenient 5-pad mini-pack for traveling or short-term needs.