Outward Hound Squeaker Ballz are a new twist on the classic tennis ball! These brightly colored, multi-sized balls are made with premium rubber so that the bounce doesn't end before the games are done. Your pup will love fetching this squeaky tennis ball whether playing indoors or enjoying the great outdoors. Squeaker Ballz come in multi-packs of 2,4,6 ,& 8 making them a great addition to families with one or more dogs. With a range of sizes from XS to Large, every pup can have a blast with these brightly colored, squeaky dog toys! Please note that XS Squeaker Ballz are intended for dogs under 25 pounds.