One-piece design: no buckle or clip, only one slider to adjust the harness.Automatic Elastic Pull Rope Adjustment: When the bird crawls and flies, it automatically adapts from the chest to the back, the effective pull rope design can reduce the pressure contact points of the birds.Mandatory: This parrot leash is a must have for birds who like to take birds out.HIGH QUALITY MATERIAL: The pull cable is made of a sturdy nylon webbing which is rubbery and bite resistant.Adjust the taste of life: you only need a little patience and a lot of food, almost any bird can train to wear it. Add life to the fun.Product DescriptionName: flying parrot leashMaterial: nylon ropeSize Reference (approx) (1cm = 0.39in):XS: Head length is 5.5cm, head to body height is 5cm. The elastic band is 137cm long and 1.5mm in diameter. The length of the nylon rope is 47cm, the width is 1cm, the total length of the rope is 120cm; the weight is 25g; the parrot reference: 75-110gS: Head length is 6.5cm, head to body