Specification: Diameter: From 13.5 to 40mm Length: Any length (Customizable) Printing: 1-6 colors offset printing Thread: M9 /16 Cap: Screw 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: silk screen printing, hot stamping, offset printing, roller printing, etc. And we can label the products according to your specific requirement. Q3. What about the production lead time ? Without any printing/labeling: around 15 days With silk screen printing / hot stamping / labeling: around 15-25 days Q4. What's your warranty ? We guarantee the products from mass production are exactly same to the approved samples.