All of our Chevy Colorado side mount toolboxes are made of durable materials like aluminum, steel and polyethylene. This accessory protects the tools you store from the elements, like sun damage and wind erosion. Each Colorado toolbox is easy to secure to your vehicle, and they come with all the installation materials you need. That means you get quality without a hassle. Since we stock products from only the best companies in the business, rest assured that you're getting quality when you shop with AutoAnything. Order now and receive a bonus – free shipping on 99 percent of your Chevy Colorado products.