Dog bowl size: Diameter : 14cm. Internal diameter : 12.5cm. Bowl height: 4.5cm. This product is only suitable for cages with spacing greater than 1.4 cm and less than 4.5 cm. Two in one: easy to use: The pet bowl has two parts, one is a plastic bowl, which is attached to the side of the cage. The other is the stainless steel inner bowl, which can be taken out and put back in place without unscrewing the whole thing, which is very convenient to use. Shim Design, Locking: Freely add spacers as needed, the lock is firmer, non-slip, shock-absorbing, can be easily fixed on the dog and cat wire mesh cage, and the height can be adjusted. Material: The dog bowl is made of food grade stainless steel and eco-friendly thick plastic. Safe and healthy, don't worry about hurting your lovely pets. Applicable items: These hanging pet bowls are suitable for small animals, such as puppies, cats, rabbits, birds, hamsters, antlers, ferrets and more.