The ultimate value pack of bullet balls compatible for Nerf RivalThis value pack of round bullet balls is compatible for Nerf Rival are perfectly compatible with loading， firing， flying， and otherwise performing like national brands. We truly believe our bullet balls compatible for Nerf rival are the best value for your bullet budget. for half the money of what other brands may charge! Have no fear， when you buy our rival compatible rounds， you get performance， and quantity， for unheard of value. You wont believe your eyes， or your wallet after you try these out.Diameter: 2.3cm (±0.1cm)Color: YellowMaterial:PUManufacturer recommended age: 5 years and upPlease Note:Prevent swallowing and Shooting at other's eyes Package Included :20 pcs Round Bullet Balls