The material of the ball and bat is ABS, which is safe and non-toxic.Playing the and capture game will be good for your body.It helps develop hand-eye coordination skills.A kind of good relationship game between parents and children. the back strap is adjustable.s:The ball and bat are made of ABS, and it is safe and non-toxic. Children can for , which can develop the hand-eye coordination skill. Playing is a good way to form a good relationship between parents and children.Colour:Red + greenMaterial:Plastic + nylonSize:Sticky diameter 18 cmHard ball diameter 6.5 cmPackage Contents:1*Ball2*BatsOnly the above package content, other products are not included.Note: Light 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.