Parameters: Item:baby rattle ball toy Material:polyester Size:Diameter: 8cm,10cm Features:Soft, Safety, Educational Toy, Funny Play Ball with Animal Packing:OPP bag for per unit Bells inside It has the function of ringing bell to stimulate baby's hearing,Satisfy the baby to explore the world. Educational Learning in the play, parents also can teach color’s name and animal through this ball. Not only a toy, but also an early educational tool. Size:10cm It's in a perfect size for your baby to grasp and can improve your baby's hand-eye coordination