Specifications: Material: Plastic. Length: 6M/236.2in. Size: 1.Inner Diameter Approx.3.5mm/0.14in. 2.Inner Diameter Approx.4.5mm/0.18in. 3.Inner Diameter Approx.5.5mm/0.22in. 4.Inner Diameter Approx.6.5mm/0.26in. 5.Inner Diameter Approx.7.5mm/0.30in. 6.Inner Diameter Approx.8.5mm/0.33in. Features: 1. High-quality Material: Made of premium plastic, anti-bite and durable, safe and non-toxic. Exquisite workmanship and fine treatment ensure its strong material is chew resistant, and is designed to conform to a bird's physique. 2. Easy to Wear: U-shackle, simple to wear and comfortable. This adjustable harness is easy to put on and take off without causing skin irritation or feather damage. Safe to your pet birds. Lightweight and portable, easy to carry. 3. Optional Dimensions: The unfold length of the rope is 6m, and there are 6 sizes of inner diameter of the foot ring for options. 4. Escape Proof: With the rope, you can take your pet out whenever you want, the enough length parrot training harness could give your bird the freedom, while without losing your pet. 5. Enough Exercise & Training: The light but strong elastic cord is resistant to abrasion, you could try to exercise several times a day, and make a positive experience for your bird. Keep your lovely friend physical and mental healthy and delight. Package Includes:1 Piece Parrot Flying Training Rope(6M/236.2in+1 Inner Diameter Approx.3.5mm/0.14in.). note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.