Celebrate your Good Boy or Good Girl with a Happy Birthday Ball 3-Pack! These Grade-A, non-pressurized, non-abrasive tennisballs are perfect for tail-wagging fun without the risk of teeth-troubles. Plus, you get 3 balls in your choice of either 3 pack of Blue or Pink, so your pup can always have one within paw's reach! Dimensions: 2.3 inches A-grade, patented stay in squeaker. Pre-pack. Assorted colors pink and blue. Size of a normal tennis ball