Features: The collar is comfortable. The design of bells- and feather will stimulate their hunting instincts, which can help your cat stay active and mentally stimulated. Playing- with this toy can help release excess energy and reduce stress, thereby extending lifespan- and health-. Safe and comfortable, with an adjustable collar, suitable for cats of all ages-.Multiple ways- to play: This toy can be worn around the cats' neck, tied to a table leg/cat climbing a tree, or tied to your hands-/feet. This toy will provide hours- of exercise and fun for your cat. When your cat moves, the bells- will make a sound to attract your cats' attention. Specifications: Material: Metal+Feather Size: Approx.30cm/11.81inch Type: With Collar / Without Collar Package Includes: 1x Cat Teaser Collar note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences- between different monitors, the picture may not reflect the actual color of the item.