Our Enamel Trolley Coin Keyring Makes a Great Promotional Gift! Great for Use When You Need to Insert a Coin to Use a Shopping Trolley. Made of Metal, in the Shape of a Coin, Available in Four Sizes. with Colour Infill to Highlight Your Design. the Compact Design Ensures Easy Portability, Fitting Effortlessly into Pockets, Handbags, or Attached to Keychains, Providing Maximum Exposure for Your Brand in Daily Life. Minimum Quantity:100.