Material: Made of high quality material. Non , non-abrasive felt is safe for your dog's teeth - these dog balls are for all ages and breeds and a perfect 1st training ball for puppies Perfect ball :This tennis ball is a great exercise toy for creating great memories with your family, friends, children and pets.Also can use for signature. Type: Balls colour: Green Material: rubber Package Contents: 2 x Toy ball 2 x Air needle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.