... ... 3. We are factory 4. High quality About us Brand NamePlace of OriginStandardxinxinZhejiang China ( mainland)SGSAbout plastic ball Product namePlastic ballMaterial POM(Delrin ... ),NYLON,ABS,AS,PP,PE,PVC,PS,PC, TEFLON.....Size 2 - 15 mmIntroduce and Application Plastic ... may be used to temperatures of 140°F (60° C). Plastic Ball ( SGS approved )