TENA Extra Protection Underpads help absorb leakage, reduce odors and maintain dryness. TENA Underpads are disposable chuxs for incontinence to protect your bed or chair. The interior lining is soft, vented and non-irritating. It has a quilted mat for comfort. TENA Extra Protection Underpads have a moisture proof lining to protect linens. Available in 2 sizes: 23" x 24" and 23" x 36".