ONE PIECE DESIGN: No hasps or clips, just a slider to adjust the harness. Automatic bungee cord adjustment: Automatically adjusts from chest to back as the bird crawls and flies, effective drawstring design reduces the bird’s pressure contact points. Required: This parrot leash is a must-have for birds who like to take their birds out. HIGH QUALITY MATERIAL: The pull cord is made of sturdy nylon webbing with rubber and bite resistant features. Adapt to the taste of life: You just need a little patience and plenty of food, and almost any bird can be trained to carry it. Bring the fun to life. Product Description Name: Flying Parrot Belt Material: Nylon rope Reference size (approx.) (1cm=0.39in): S: head length 8cm, head height 8.5cm . The elastic is 130 cm long and 2.5 mm in diameter. The nylon rope is 52cm long, 1.1cm wide and the total rope length is 182cm; M: head length 9.5cm, head height 10cm. The elastic is 130 cm long and 2.5 mm in diameter. The nylon rope is 62 cm long, 1.1 cm