The Kassbest Small Animal Chew Toy is a great way to help your furry friends improve their dental health. Made from 100% natural apple wood, this toy is safe for use on small animals like rabbits, hamsters, and gerbils. With a diameter of 3-5 inches, it is easy to insert into the mouth of an animal. The Kassbest Small Animal Chew Toy helps clean teeth by massaging them and promotes gum health by stimulating gum tissue. It is also great for reducing plaque and tartar on teeth.