WHISTLES WHEN THROWN: Whistling dog ball is designed with four sound holes that create a whistling sound in the air, making fetch more exciting for dogs. Compatible with Chuckit! dog ball launchers. | DURABLE DESIGN: The high bounce ball for dogs is made of durable rubber for aggressive chewers, yet doesn't wear down on gums & teeth. | PET TOYS: Get ready for bonding & fun with your dogs & cats! Check out a variety of our pet toy products such as frisbees, perches & mirrors for birds, prey wand toys for cats, plush toys, light-up interactive toys & more. | CHUCKIT! FETCH TOYS: Chuckit! creates toys that enrich the human-animal bond & bright colors help dogs & puppies stay engaged. Checkout Chuckit! for ball launchers, bouncy balls, frisbees, indoor dog toys, glow toys & more! | JUST FOR PETS: Petmate makes a variety of pet products for dogs, cats, chickens & other small furry friends! Check out our brands such as Aspen Pet, Arm & Hammer, Booda, Chuckit!, Jackson Galaxy & more!