BOS (Build On Site) Quick Build portable storage containers can be delivered flat pack to your site and assembled in minutes. Made in Germany from 20 gauge galvanized steel they are strong and sturdy, completely weatherproof, theft proof and secure. BOS Quick Build Containers are a versatile solution for storage and warehousing. They can be joined, stacked and dismantled as needed and can be used both indoors and outdoors. BOS Containers won “Best New Product” at the Hire and Rental Industry Awards in 2016, and “Best Product” 3 years running at the “Inside Self Storage” Awards in the US.