... specialize in producing plastic balls. Hollow plastic ball diameter10mm100mm, are mainly used in the cosmetic ... Ball valve,Bearing ball, Roll on ball,and so onHollow ball10mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball valve,Floating ball ... ,and so onRoll on ball and holder8mm, 10mm ... receiving your order! 6mm Red PP Plastic ball