Compact Design Folds Into A Tight Package - Minimal Space Required To Store Onboard Trucks And Hazmat Response Vehicles. Compact, lightweight, portable design - no inflation required. Protect heavy equipment from spills during filling, discharging, cleaning and maintenance. Smaller sizes provide total containment of drums, tanks, generators, compressors and other equipment prone to leaks and spills. Sidewalls lower quickly to allow drive-in/ drive-out. Helps meet SPCC and EPA Container Storage Regulation 40 CFR 264.175. Custom Sizes Available. Made in the USA.