【Flexible Material】The bird harness leash is made of strong nylon and elastic latex, lightweight and elastic, anti-chewing and does not hurt birds. 【Automatic Adjustment Design】When the bird crawls or flies, the leash will automatically adjust from the chest to the back, which can effectively reduce the pressure on the birds. 【3 Sizes Available】Heart harnesses come in 3 different sizes for birds, love birds, cockatoos, budgies, African grey parrots, macaws, some reptiles etc. 【Easy to Wear】Universal lobster clasp, easy to wear; 108m length of leash can give your bird freedom while your pet will not get lost. 【Training Tips】 More patience, more rewards, any bird can be trained to wear a seat belt, you will enjoy the fun and freedom of outdoor activities with them. Material: Elastic rubber, nylon Color:Black Size: Rope length 108cm, bandwidth 0.7cm XS - Maximum adjustment range 20cm S - maximum adjustment range of 28cm M - Maximum adjustment range 30cm Package includes: 1pc*Bird Flying Leash+Harness