100% brand new and high quality Features: This ring is specially designed for pets breeding case,prevent them from biting their case,protecting case well. Installing on case inlet,5 sizes can be optional,you can choose the best one according to your case size. Apply to pets that always bite or chew things frequently,easily break their supplies,like parrots,hamster,squirrel and etc. Made from metal,high intensity and durable,tough and heavy-duty,excellent for small pets equipment. Specification: Material: Metal Type: Pet Case Supplies Color: As pictures shown Size: Inner Diameter: 10.5cm(4.13in) 8.5cm(3.35in) 7.5cm(2.95in) 6.5cm(2.56in) 5.5cm(2.17in) Quantity: 1 Pc(other accessories demo in the picture are not included!) 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. Thank you! Package includes(without retail package): 1 x Ring