Made of soft nylon, coated in white plastic, Kleinert's Sani-Pant™ Pull-On Waterproof Nylon Coverup are the perfect cover-up for disposable diapers or any other absorbent medium. Lightweight yet strong, our comfortable briefs are made of the highest quality materials and workmanship. Built to withstand well over 100 washes, these unisex cover-ups deliver all day comfort, confidence and convenience.