25.4mm plastic hollow ball 1)various colors and sizes can available 2)used in cosmetic ... , safety and reliability. Product nameSpecificationMaterialApplicationSolid ball4mm-55mmPP,PE,ABS,POM,PA,PMMATrackball,Ball valve,Bearing ball, Roll on ball,and so ... me.My name is Jane,welcome to chat with me. 1.4" PP Hollow Ball Made In China