We believe that pets are family members, and that family deserves the best. This is a set of opening foot rings with bright bird like colors that are visually appealing to the pets and their owners. The precise design will ensure its practicability in the work of high performance. It can be used to keep different breeds apart, mark suspected cockerels, separating hatches, etc. Feature - Color: Blue. - Material: Plastic. - Size: Approx. 0.8 x 0.8 x 0.5 cm (L x W x H). - Made of eco-friendly material, and safe for birds. - Opening foot rings, easy to put on bird's feet and take off. - Bright bird like colors that are visually appealing to the pets and their owners. - Can be used to keep different breeds apart, mark suspected cockerels, separating hatches, etc. - for pigeons, cockatiels, parakeets, parrots, and other birds.