Quality material: made of aluminum Aluminum and white paper, which is durable and lightweight, convenient for you to Unique design: the key tags have smooth surface, and the double side white paper can be written and diy various patterns, allow you to identify what you want to remember Widely usage: it provides business conveniently, organized for valet services, car companies and more, it also can be applied with car , door and bicycle , serve for you to identify different Portable size: key tag is approx. 3.1 cm/ 1.2 inches in diameter, the key ring is approx. 1.9 cm/ 0.7 inch, round tags with aluminum metal rims, which is small and lightweight, easy to carry with you Colour:White Material:Aluminum + paper Package Contents: 50 * key labels Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.