These bottle opener key rings are made from anodised aluminum, in many colours and come custom engraved, it also opens soft drink cans, they are a great affordable promotional item for companies and clubs of all types. Pad Print: 35mmW x 10mmH, Laser Engrave: 35mmW x 10mmH, Domed Label: 42mmW x 13.5mmH, Direct Digital: 35mmW x 10mmH