Description
SAFE MATERIAL:Adopting high quality aluminum & plastic material,which is durable,non-toxic and extensible for long term use. SIZE:Inner Diameter(min):Approx. 8mm/0.4inch.Height:Approx. 11mm/0.43 Inch.Each ring has a number mark,which will help to suspected chicken and separating hatches. SAFE MATERIAL:Adopting high quality aluminum & plastic material,which is durable,non-toxic and extensible for long term use. SIZE:Inner Diameter(min):Approx. 8mm/0.4inch.Height:Approx. 11mm/0.43 Inch.Each ring h
