Please note that this listing is for size XS, which fits waist size 7" to 9", suspender measures 13" to 24". Measure the waist size before the back legs. * Eliminates problems from untrained pups, females in season, incontinent dogs and excitable urination. * Place adhesive napkin on inside of garment to adsorb liquids. * Washable and reusable. Made of nice soft cotton, very comfortable for daily wear. * Sizing for each dog is unique. We highly recommend you measure your pet precisely with a flexible tape measure to ensure an accurate fit. We recommend one size up for comfort if your dog"s measurement is the higher end of the range listed.