Black rubber toys help satisfy your dog's instinctual needs and provide mental stimulation. Healthy play is important for a dog's physical and mental development, mood and behavior. By encouraging healthy play and satisfying instinctual needs, this educational toy with snacks helps with chewing, separation anxiety, teething, boredom, weight management, crate training, digging and barking. Unpredictable bounce allows you to play exciting fetch games and other interactive games with your pets. This rubber toy is designed for super strong chewers to help them get the exercise they need. Great for refilling: Refillable accessories are even more enticing when you fill them with kibble, peanut butter treats or snacks. Dishwasher safe and easy to clean Bonus: For an extra challenge, fill, freeze for 4-6 hours before giving to your dog Vet recommended: Recommended by vets and trainers around the world as one of the most durable dog toys M size: suitable for 7-16 kg dogs ean/sku: 6972748516423ean/sku：6972748516423