Description: Dimensions: This delivery box rack measures 46cm in length and width on the outside, while the inside dimensions are 43cm in length and width, making it suitable for most standard delivery boxes.Package Contents: The package includes 1 bicycle rear rack food bag rack, 8 ties, 4 screws and nuts, 1 wrench, and 2 clamps. Everything you need for easy installation is provided.Material: Made from steel material, this delivery box rack is sturdy, enough to withstand daily use on your electric motorcycle or scooter.Versatile Use: This universal rack can be used to secure a variety of delivery boxes including insulated food containers for food deliveries.Easy Installation: With all necessary hardware included in the package along with a wrench tool, installing this rack onto your electric bicycle is simple and straightforward. Specification: Material: Steel Size Chart: Outside LengthxWidth: 46cmx46cm/18.11inchx18.11inchInner Side LengthxWidth: 43cmx43cm/16.93inchx16.93inch Package Includes: 1 Set Bicycle Rear Rack with Mount Accessories Note: Please allow slightly errors due to manual measurement and different monitors.