1) 1'' roll on ball with fitment 2) mainly used in cosmetic, deodorant, ... POM, PA,PMMA and so on. The tolerance can be 0.01mm with good surface and precision.3) ... ,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml,80mlGlassCosmetic ... 60ml,75ml,120mlPPCosmetic packagingOur products are good in quality with low prices.We look forward to receiving your order ...