INTERACTIVE, SQUEAKY & LIGHT-UP DOG BALL: Each ball contains a “squeaker” and a “light” (no batteries needed) and this set of dog toys helps keep your pup active, engaged, entertained and happy with hours of fun and playtime. You can toss the ball and let your dog fetch, or let the dog distract itself while it chews. DURABLE, BOUNCY & NO BATTERY NEEDED:Each ball has a squeaker inside and the bright colors of this dog chew toy attract dogs’ attention and keep them engaged. These are good quality TPR rubber balls (8cm diameter approx), durable and very easy to use and play. Ideal for puppy toys. UNIQUE DESIGN & FAMILY SHAPE FOR PETS:These toys come in 2 different designs - “BALLS” & “DUMBBELL”. The dog activity toy is bite resistant and could be called a dog training toy to train their chewing behavior. HARDER & SAFE FOR PETS:These dog balls are made from a & durable material that is safe for dogs and pets, and it also provides flexibility and a firm bounce (bouncing toys) to help