... bearing ball solid ballThe ball diameter from:3.5mm--55mmThe solid ball can be used as ball for cosmetic bottles ,bearing ball,ball valve ... ,competitive price3.OEM offered4.MOQ:500,000pcs for samll ball.200,000pcs for big ballIf large quantity,Colors can ... be choosenWe are the factory speciallized in designing and producing plastic roll on ball, plastic bearing ball, plastic cosmetic packaging ...