●The Flat Bottle Openers are made of stainless steel and their surface are painted black, which makes them more durable and look nice. ●The size of the Beer Opener is 3.5" long x 1.25" wide. Oval shape coordinates with a round hole for easy hanging and store. ●One set of Flat Bottle Opener for Bartender includes 5PACK, each pack is equipped with a keychain for easy carrying. ●The Bar Key is suitable for opening different kinds of beers and drinks. Great for professional bartenders or for camping and travel. ●If you are not satisfied with the Flat Bottle Cap Opener, we will unconditionally provide a refund or replacement.