Sin City Number plates are made from quality polycarbonate material. High-performance vinyl film is used to provide vivid colors and crisp graphic details. Each plate comes with Velcro fasteners that are riveted in place.
 
Sin City Number Plates are available in 3 sizes: Super Mini, Mini, and Pro. 
- Super Mini is intended to be used on Balance bikes and Mini through Junior bikes that have handlebars without a crossbar. 
- Mini is intended to be used for Junior, Expert, and Cruiser bikes that have handlebars with a crossbar.