Bouncing Balls 1-4cm,5cm,5.5cm,6cm,6.5cm,7cm,8cm ... ,markets directly 3-FDA,SGS,CE etc 4-Smooth seam Bouncing ballFeature:MaterialPEweightcan be float by hair drierDiameter40mm,50mm,55mm,60mm ... many years,such as: plastic bottles,caps,plastic bowling,ocean balls,plastic money box,color palette.plastic drink cup and so ...