... -manual. There are different printing pattern for selection. - 1. Material: Resin;- 2. Ring inside dia.: 16mm-20mm, face diameter: about 30mm ... the face;- 6. Customer's PMS colors are availabe for resin ring.- 7. All material can meet CE standard, EN71, AZO ... free, low cadimum, nickel free and package waste Exaggerated Resin finger Rings