Material Structure --- The Retractable Key Ring We Provide Is Equipped With Metal Clip Strips, Metal Rings And Metal Hanging Buckles, With Plastic Buckle Fasteners, Which Are Very Durable. Usage Retractable----The Retractable Keychain Can Be Retractable Design, And The Stretchable Length Of The Rope Is About 70Cm. It Can Be Easily Stretched By Simply Pulling It And Retracted By A Button. Quantity And Color ---- We Provide 2 Retractable Key Rings, All In Black. Black Has A Very Simple Style And Can Be Matched With All Kinds Of Clothes, Suitable For All Kinds Of Occasions. Convenient To Use ---- The Retractable Key Ring Can Be Firmly Clamped On The Bag And Wallet Strap . The Metal Circle Can Also Be Used To Hang Keys. It Can Be Used With Belt Loops, Backpacks And Other Clips On Carrying Bags. Widely Used----Suitable For People With Cards, Key Cards And Id Cards. For Nurses, Mountaineering, Sporting Events, Cruises, Golf Outings, Fishing, Skiing Or Any Other Personal And Professional Use.