1.30mm POM,PP solid ball 2.we can ... solid ballsize:1mm--60mmPP,POM,PA(NYLON),PC,ABS,PE,HDPE and so onUsage:for ball bearing,cosmetic ... 4) Honest And Trustworthy Enterprise.Product nameSpecificationMaterialApplicationSolid ball1mm-60mmPP,PE,ABS,POM,PA,PMMATrackball,Ball valve,Bearing ball, Roll ... on ball,and so onHollow ball10mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball valve,Floating ball ...