Air Fetch Dog Ball: These high-performance balls for dogs have a hollow, mesh-like design that facilitates breathing and airflow into your dog's lungs while running and fetching. Also floats for water or pool play Run Further, Fetch Longer: Air Fetch Balls are compatible with all Chuckit! Launchers. Can also be used as a treat toy by utilizing the openings in the toy that allow you to place dog treats inside Sizing matters: Size XL measures 3.5" in diameter and is best suited for dogs weighing 100 lbs or more. The ball should be small enough for your dog to carry, but large enough that the ball can't completely fit in their mouth. When in doubt, buy a size up MAKE FETCH HAPPEN: Chuckit! toys make the best gifts for pet lovers. The Air Fetch Ball is just one of many indoor and outdoor interactive dog toy options we offer, including tumblers, tennis balls, and more. As the #1 stocking stuffers, Chuckit! toys have something for every pet. CHUCKIT!: For 20 years, Chuckit! has been leading the game of fetch. The special connection between pets and owners is at the heart of every toy we make. With iconic shapes and vibrant colors, Chuckit! toys elevate every adventure, strengthening the bond between you and your furry friend.