Other keychains and similar promotions just don't measure up to this useful number! This miniature keychain is 1 5/8" x 1 5/8" and crafted from plastic. It's an adorable spin on a full-size tape measure and inside is a 40" retractable tape measure with US and metric markings. It's perfect for taking quick measurements on the fly. Choose from eight colors and add your logo to build a giveaway that's perfect for home improvement expos, contractors, carpenters and other fix-it folks.