UNDERPAD, SENI SOFT SUPER DRY 23"X35" (15/PK 4PK/CS) Hygienic underpads are designed as additional protection for keeping the bed and bedding clean Absorbent core made of cellulose pulp, with superabsorbent microbeads for extra protection Soft, non-woven surface for comfort Outer layer made of impermeable anti-slip film prevents from leakage and keeps the underpad in place