SIZE SELECTION: Each pack has 3 diapers, 4 sizes for reference-XS (waist 9.8"-11.8"), S (waist 11"-16"), M (waist 15.7"-21.3"), L (waist 17.3"-25.2"), suitable for puppies and large, medium and small dogs, such as Chihuahua, Yorkie, etc. Manual measurement, please allow for errors. If it is a large dog, it is recommended not to measure too tightly. We strongly recommend that you measure your dog's waist circumference before buying to ensure the best fit. .SUPER ABSORBENCY: It is made of breathable, soft polyester mesh, with 2 layers of microfiber pads inside. It has excellent absorption and effectively locks water. The inner layer of the double-layer absorbent mesh can keep your dog comfortable even after long-term use. At the same time, keep carpets, floors and sofas clean. For untrained puppies, seasonal females and urinary incontinence pets are very good choices. .DOUBLE ADJUSTABLE DESIGN: This dog diapers adopts stretchable Velcro and multi-stage adjustable concealed buckle design. The Velcro is strong enough, and the waist is partially elastic, and the waist and tightness can be adjusted according to the size of the dog. The three-row concealed buckle design provides extra comfort and perfect fixing effect. Adjusting the appropriate size to wear will be more effective in preventing side leakage. It can be easy to fix, put on and take off. .PROTECT YOUR DOG: It can help the female dog not stain the furniture during menstruation. Effectively protect female dogs from being disturbed by male dogs. Provide protection for elderly dogs who are excited and out of control to urinate and avoid forming puddles on the floor. Keep the room clean and odor-free, and bringing a more comfortable life. It has an intimate elastic tail hole, which is convenient for the dog to swing its tail freely and provides great comfort. .ECONOMICAL: It can be hand-washed and machine-washed, and can be dried quickly or at low temperature without special treatment. Compared with disposable diapers, they dont need to be used up and thrown away, and they dont need to be repeatedly purchased. They can be reused only by simple cleaning. They support multiple cleanings, which are economy and durable. This will be the most ideal choice .