Air Fetch Dog Ball: These high-performance balls for dogs have a hollow, mesh-like design that helps facilitate breathing and airflow into your dog's lungs while running and fetching; a breathable to standard tennis balls

Run Further, Fetch Longer: Chuckit Dog Fetch Balls are compatible with Chuckit Dog Ball Launchers

Can also be used as a treat toy for dog training by utilizing the openings to stuff dog treats inside

Also floats for water or pool play

Sizing matters: Size medium measures 2

5" in diameter and is suited for dogs weighing 20-60 lbs

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