Fetch it Case - Dog Tennis Ball Holder Strong plastic case that holds a wet and slobbery tennis ball toy No squeak tennis ball included. Compatible with Medium Chuckit! Rubber Ultra Balls and Kong Air Dog Squeakair Birthday Balls Clips onto any leash, bag or backpack. Great for walks, hikes, and parks Can be used as an on-the-go water bowl for a quick drink Ball with float in water. Awesome for lakes or the ocean