SET - 4pcs Lillypet Dog Puppy Diaper Washable MALE Belly Band for Small and Medium Dog Random Colors M These diapers are made of nice SOFT COTTON with Adjustable Velcro Closure for Comfort and Adjustability on daily wear.They are REUSABLE. They DO NOT INCLUDE the ABSORBENT pads. Women's feminine napkin works perfectly and attach with the adhesive strip. You decide how thick pad you need for your dog. Machine-washable, easy-to-use diaper wraps for dogs. Useful for untrained puppies, MALE in heat, and dogs that suffer from excitement urination or incontinence. PLEASE measure your pet and compare to the chart provided as each brand and style of pet clothing has its own size system. NOTE: When measured don't be too tight,small dogs appropriate to relax 0.5 ", large dogs relax 0.8" -1.2". Size S-waist: 26-30cm / 10.2"-11.8" M- waist: 32-36cm / 13"-14.2" L - waist: 36-44cm / 14.2"-17.3"