Features: 1.Adopting high quality material, non-toxic, wear resistant, reusable, sturdy and durable for long time use. 2.Comes 100pcs in one bag, each ring has a number mark, which will help to keep different letter pigeon apart. 3.Simple clip design makes it easy to apply and remove. 4.Available in 6 different colors, you can choose as your like. 5.Suitable for letter pigeon or most of adult birds weight about 400g. Specifications: Type: Poultry Leg Rings Material: Plastic Optional Color: Red, Yellow, Pink, Blue, White,Green Inner Diameter: Approx. 8mm / 0.3inch Height: Approx. 5mm / 0.2inch Quantity: 1 x Bag of 100PCS Poultry Leg Rings Number: 001-100 Suitable for letter pigeon or most of adult birds weight about 400 g Package Include: 1 x Bag of 100PCS Poultry Leg Rings 1Adopting high quality material, non-toxic, wear resistant, reusable, sturdy and durable for long time use. 2Adopting high quality material, non-toxic, wear resistant, reusable, sturdy and durable for long time use. 3Simple clip design makes it easy to apply and remove. 4Available in 6 different colors, you can choose as your like. 5Suitable for letter pigeon or most of adult birds weight about 400g.