Features: Material: Made of plastic and metal material, wear-resistant, strong, long-lasting.  Feature: This is upgrade parts and lightweight instantly enhances overall performance. Portable: Easy to install and convenient to use. Color: yellow, green, blue. DIY Kit: This trailer kit is DIY version, you can experience the pleasure of installing a truck by yourself. Fit For: For WPL B14/B16/B24 military truck RC car. Specifications: Item Type: Trailer Kit  Material: Metal, Plastic Color: Green, Yellow, Blue Compatible Model: For WPL B14/16/24  Size: About 32 x 13 x 14cm Package Includes:  1Set x Trailer Parts Notes:  Transition: 1cm=10mm=0.39inch  1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!  2. Please allow 1-3cm measuring deviation due to manual measurement.