SPECIFICATION: Diameter: From 13.5mm-40mm Length: Any length (Customizable) Printing: 1-6 colors offset printing Thread: M9,M11, M12, M13, M15 Cap: Screw cap,Octagonal cap Techniques: Inner coating, bottom latex FAQ: Q1. Can we get free samples and how long to get the samples? Yes, 3-5 PCS samples are always free, and delivery time is 3-4 days. Q2. Could you decorate or label the packaging ? Yes, we have different printing machines , so we can offer various printings: offset printing, labeling, etc. Q3. What about the production lead time ? Without any printing/labeling: around 15-25 days With offset printing / labeling: around 25-35 days Q4. What's your warranty ? We guarantee the products from mass production are exactly same to the approved samples.