GURU Busy Ball Dog Toy. Satisfying both a dog’s need to chew and work for food, the Busy Ball is an epic interactive foraging toy for long-lasting, challenging play. Once treats are loaded, the dog moves the ball around to dispense kibble. The Busy Ball also features two spots for removable/replaceable Chew Perfect™ bones – GURU’s non-toxic nylon wood bacon-scented chew material designed for a dog’s safety and satisfaction. The Chew Perfect bone has an ergonomic shape for comfort while chewing. Chew, solve and play Keeps dogs busy and occupied Great for separation anxiety and power chewers Insert kibble for interactive foraging play Removable bacon flavored chew bones No sharp edges or points that can damage gums Made with Chew Perfect ™ and ChewPro ™ Product Dimensions: 4.7”L x 4.5”W x 4.5”H Recommended for dogs up to 85lbs