This package contains 3 colors (green, red, blue), It has one size (6.5cm diameter). ★Sturdy ball shaped dog toys with plain color and small spikes. ★Small opening on the ball for easy to put food or any other pet treats in. ★Made of rubber, which is safe and non-toxic. Durable and strong material for your dog or other pet. Nice touch for us and for them, it can help to clean their teeth. ★Has a unique sound that will be funny, extremely fun when your pet chew on it. ★Interaction and enhancement relationships: dogs are the most sociable animals, so you must interact with you to really enjoy the playtime.