... : 2 - 15mm 2. Material:POM(Delrin),NYLON,ABS,AS,PP,PE,PVC,PS,PC, TEFLON... 3. We are factory 4. High quality ... ball Product namePlastic ballMaterial POM(Delrin),NYLON,ABS,AS,PP,PE,PVC,PS,PC, TEFLON.....Size 2 - 15 mmIntroduce and Application Plastic ...