Material: Made of rubber and felt. It is much thicker than a normal pet tennis ball. But if your pooch is very naughty or fierce, please choose it discreetly. Some kids really are toy killers (please note that.) Non-toxic, non-abrasive felt is safe for your dog’s teeth - these dog balls are for all ages and sizes. breeds and make an ideal first training ball for puppies PERFECT BALL: This tennis ball is a great excise toy to create fond memories with your family, friends, children and friends. pets. Can also be used for signing. Your giant tennis ball will be shipped without inflation, please inflate it yourself after you receive this pet ball. (NOTICE: The package does not include the pump!) Package includes: 1 x 9.5" dog tennis ball + 1 x inflation needle.