While we didn't reinvent the wheel, our designers did reinvent the standard tennis ball our Grriggles Tennis Ball 2.5" Bulk Bags, 60 Pieces, are vibrantly colored, extra durable, and fit nicely into the jowl of dogs. Yes, we're quite proud of this achievement. Features Nurture store screens with these Bulk bags of tennis balls Colored tennis balls for dogs - ideal for hauling, pulling, and chewing Pack of 60 Specifications Size: 2.5 in. Weight: 10 lbs