Cleapet Antibacterial Mouth Ball is knitted from threads containing silver ions and organic antibacterial threads. It destroys tartar and prevents tartar formation with regular use. It was developed for mouth hygiene in dogs and reduces bad breath. It improves tooth and gum health, providing healthy tooth development for our newborn pets. To activate the silver particles in the 100% cotton thread, you need to spray the entire supplied spray bottle until it is evenly distributed. After this process, the ball becomes ready for use. It is available in sizes suitable for dogs, ranging from the smallest size with a 4cm diameter to the largest size with an 8cm diameter.