Material: Cotton and Polyester. It can protect your pet joints. Suitable for medium dogs and large dogs. Plastic buckle design, easy to wear and take off. Size: M: Protector Length 7.4 inch, Knee Girth 8.2 inch, Cuff Girth 5.9 inch. L: Protector Length 9.0 inch, Knee Girth 8.2 inch, Cuff Girth 6.7 inch. XL: Protector Length 11.4 inch, Knee Girth 9.4 inch, Cuff Girth 7.8 inch. 2XL: Protector Length 13.3. inch, Knee Girth 10.6 inch, Cuff Girth 8.6 inch. 3XL: Protector Length 15.3 inch, Knee Girth 11.8 inch, Cuff Girth 9.4 inch. Package Include: Dog Recovery Front Legs Protector Size L: Protector Length 9.0 inch, Knee Girth 8.2 inch, Cuff Girth 6.7 inch.Suitable for medium size dogs. Please measure the leg circumference at the elbow on the affected leg and follow the size chart to choose the correct size for the dog. Material: The dog leg joint Protector is made of cotton and polyester fabric, a soft, comfortable, breathable, and flexible material, that keeps your pet's wound clean and prevents the dog from licking the wound and causing wound infection. The dog recovery Protector is machine washable and reusable. Easy to Put On: With a plastic buckle, it can be adjusted freely according to the size of the dog, easy to put on, and take off. Meanwhile, you can adjust the straps to fit your dog's body. Padded Protection for Elbow: There is an extra thick patch for the joint area. Great protection for the dog after surgery. The padded mesh fabric is breathable and can effectively help to reduce pain and inflammation.