Squeak Dog Ball: A unique design that moves the ball, attracts the pet’s attention and increases its agility, intelligence and amount of exercise SQUEAKING THE BALL: There is a part inside the ball. When the pet is playing, it can be more interactive and enhance their fun NON-TOXIC RUBBER BALL: Food grade TPR thick rubber, thick material, it is flexible and durable, it is more suitable for animal bites. At the same time, the rubber can better protect the pet’s teeth CAN BE USED IN WATER: Add some floating material for your pet to play in the water without worrying that the ball will sink to the bottom 6 pieces in a pack. Diameter of each ball: 7.5 cm. Works well for training dogs (not suitable for ferocious dogs or large dogs)