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