Aluminum alloy, which has abrasion resistance and color fastness. This bottle opener is light in weight, easy to carry and use. It can be used not only as bottle openers, but also as decorations, hanging on handbags, keychains, etc. Ideal choices for family gatherings, company celebrations, weddings, camping, and travel. Whenever you want to drink, you don't have to worry about being unable to open the bottle. 2 9/16" L