Toys for dogs and cats - Set of 2 IQ treat balls in 2 bright colors, yellow and blue. MENTALLY STIMULATE YOUR DOG - Side slots and a hollow center allow you to put snacks or other small treats. By working to reclaim the tasty rewards, dogs challenge their intellect, burn extra energy, and avoid mischief. It will keep dogs mentally and physically active while playing. INTERACTIVE PLAY - Ideal for puppies and kittens. Perfect for bonding with your dog while playing with him. SIZE - 5CM in diameter. Ideal for small to medium sized breeds (4KG to 15KG or more) EASY TO USE and CLEAN - 100% natural rubber. Super safe for your dog and easy to clean. Rinse with warm soapy water and air dry after use.