3.5'' LARGE DOG BALL: 6p squeaky dog ball is suitable for most dogs 'mouths. The dog ball is super lightweight only 0.2 lb, convenient to carry when going out for play. The soft and light dog ball can be easily thrown out. Your pet can stuff teeth into the gap of surface texture. This large dog fetch toy ball is not easy to get stuck under the sofa, and they are easier to find when playing outdoors because of the bright colors. ECO-FRIENDLY & SAFE: Made of food grade, TPR (BPA free), non-toxic, no chemical smell, provide the safest pet toys for your puppies. Spikes on the ball have a buffer and the built-in-sound design, ensuring that puppy can chew wantonly, and pet owners don't have to worry. The added benefit is helping to keep their gums and teeth cleaner, and it can be entertained for several hours. This dog toy set indoor or outdoor suitable for small and medium dogs. CLEANS TEETH AND PROMOTES DENTAL: A stinging shape specially designed for your beloved furry friend. This squeaky dog ball has flexible spikes. Encourage your dog to chew and condition their teeth, and at the same time promote healthier gum stinging and tooth cleaning. Keep your dog's oral environment and breath fresh. Satisfy the impulse of budding dogs to chew, while helping to improve the health and life of their teeth and gums unknowingly.