SIZE: XS: thigh circumference 17-20, joint circumference 11-13, ankle circumference 7-10, leg height 16 S: thigh circumference 22-25, joint circumference 13-16, ankle circumference 10-14, leg height 20 M: thigh circumference 29-32, joint circumference 17-20, ankle circumference 13-16, leg height 25 L: thigh circumference 36-39 joint circumference 22-25 ankle circumference 16-19 leg height 30 Includesreflective support: One leg contains 2 supports, so a pair contains 4 supports. After adding these two supports: 1: After the dog wears it, the footsteps are more comfortable and more protective, which is helpful for recovery; 2: Reflective effectto ensure the safety of dogs walking at night. Features: 1: Leg brace sheath can heal pain caused by injury or surgery. 2: Provides support and stability during injury. 3: Help them relax inflammation. 4: Helps treat the loss of stability caused by arthritis. 5:Great for wrapping the legs to cover cuts and wounds. Simply wrap the wound and wrap it with our support dog leg wraps to prevent dogs from licking and chewing. 6:Your dog can get a lot of damage from knee injuries as it jumps all the way to the fence or garden to get hurt. If the dog suffers from these injuries, it needs to One of these dog shin guards. . 7:Provide maximum support and stability. Helps with: Stable hock joint arthritis after fatigue injury Supports any post-operative strain 8:Take care to remove the sheath 2-3 times a day and let the legs breathe at night.