Size XS-best for Small dogs & puppies. back length 20cm~28cm. Waist 22cm~30cm.We strongly recommend you measure your pet with flexible tape to ensure the best fit. Easy to clean with no special treatment. Hand / machine washable with quick air drying or low temperature laundry drying. These reusable diapers are Economical & Environmentally Friendly. as compared to disposable diapers. Soft mesh fabric and double layered super absorbent pad is smooth to the dog's skin. this lets the dog to have a pleasant experience by wearing our pants. Female dogs that wear our products will be comfortable and stylish. Perfect for untrained puppies. females in heat season. and dogs that suffer from excitement urination or incontinence and cant control their bladder. Even Cats Premium reusable diapers are made with the best quality and sanitary materials on the strips. Highly absorbent inside. with a 100% waterproof outer layer that prevent leaks. Let your doggie be free while protecting your house sofa. couch. carpets and seat cars. Excellent for dogs on their period. Great protection. Reusable nappy is designed with cozy elastic bands on the waist. tail hole and adjustable closures for fast and easy handling. Removable strap design prevents it from falling off easily