Made of high quality plastic material, cold resistant, frost resistant, heat resistant, very durable and not easy to breakClip on designed leg bands, easy to clip on and remove, firm, secure and reusableIdentify different ages, mark cockerels and hens, separating hatches, etc. Suitable for adult poultry breed, ducks, chicken, hens, etc.With 1-100 different numbers, you can use it to classify different poultryCommodity name: Adjustable chicken feet changeSuitable: 500-1500 grams of poultryRetractable foot ring: the foot ring can be retracted according to the size of the animal, easy to use6 card slots: adjust the size of the ringColour:OrangeMaterial:plasticSize:Inner diameter size: 2-2.4CMPackage Contents:200 * Chicken feet ringOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.