Product Description: Stay in the game with the Nerf Dog 4-Pack of 2.5" Max Strength Sports Tennis Balls! The durable felt body stands up to extended chewing. Reload your Nerf Dog launchers with these highly-visible balls for extended playtime. Great for toss and fetch, or solo play sessions. It's Nerf or Nothin! The Nerf Dog range has become one of the most recognised toy brands in the pet market across the UK. From crunchable and squeaky throw and retrieve toys to innovative ball launchers and tough tug toys, the high quality Nerf Dog range lives up to the pedigree of its name. Nerf Dog offers a wide range of canine retrieving toys that vary in size and material suitable for all dogs and are available in a collection of vibrant colours; Red, Orange, Blue and Green to keep your dog entertained for hours.