A. The anti-collision ring can be adjusted in height both vertically and horizontally. B. Size S: The ring diameter is 22 cm (suitable for pets weighing 4 - 10 kg), the neck circumference is 28 - 40 cm, and the chest circumference is 32 - 45 cm. C. Size M: The ring diameter is 33 cm (suitable for pets weighing 13 - 20 kg), the neck circumference is 32 - 45 cm, and the chest circumference is 36 - 50 cm. D. The blind dog protective gear is made of aluminum, styrene-butadiene rubber (SBR), and foam materials. It has no odor, can be reused, and is durable. E. This anti-collision ring for blind dogs is connected to the vest-type protective gear, making it relatively easy for your pet to wear. The blind dog guiding protective gear is adjustable and fixed with Velcro to help ensure your dog feels comfortable during the process of adapting to poor eyesight. F. The pet ring can be adjusted according to the pet's body shape and is relatively convenient to wear. It is suitable for small and medium-sized cats and dogs, allowing blind pets to more quickly and safely familiarize themselves with the surrounding environment. G. The anti-collision ring for blind pets does not significantly affect the pet's daily activities, such as sleeping and eating. The anti-collision ring is made of aluminum, styrene-butadiene rubber (SBR), and foam materials. It has no odor, can be reused, and is durable. H. The anti-collision collar for blind dogs can assist blind pets in staying relatively safe and moving more freely, reducing the risk of being hit on the street. It can also help prevent pets from being injured by hitting walls, furniture, and other obstacles.