This toy ball is a protrusion similar to a toothbrush. This toy ball can not only help your pet brush their teeth, but also can use it as a feeding tool. DOG BALLOON-This product is safe and non-toxic. With this product, you can prevent your pet from destroying carpets, slippers and other furniture to some extent, help your dog effectively clean and massage their teeth,gums and tongue, in CHIEN KONG-This toy ball is a protrusion similar to a toothbrush. This toy ball can not only help your pet brush their teeth, but also can use it as a feeding tool. product is safe and non-toxic. With this product, you can prevent your pet from destroying carpets, slippers and other furniture to some extent, help your dog effectively clean and massage his teeth, gums and tongue,to grind pets, to resist, to reduce the reproduction of plaque and tartar, to avoid various diseases of the mouth. product can help relieve your pet’s depression. Suitable for indoor and outdoor use, especially indoors, the