Backyard feed -5x Chicken Collar Rooster Anti-Crow Collar for Chicken Duck Poultry - Red Highlights generic brand 5x Chicken Collar Anti-Rooster Crow Collar for Chicken Duck Poultry - Red Description: Made of nylon, safe and durable for chicken duck goose to wear. 2 colors available to choose from. Suitable for chicken duck goose and other poultry. Can effectively prevent singing disturbing neighbors. Size: about 18 x 2 cm / 7.08 x 0.79 inch Package includes: 4x Chicken Note: Since the above size is measured by hand, the size of the actual item you received may be slightly different from the above size. Meanwhile, please note that due to lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.