STC-PUP Series: The pop-up berm is a larger version of a pop-up pool with fabric meeting the military specification for spill containment. This berm is easy to use and can be shipped in small packages. It is recommended to be used on level surfaces. Heavy durable fully fuel resistant. Simply throw the berm into place and ready for use. Foam collar rises in the event of a spill. Meets EPA regulations set forth in Container Storage Regulation 40 CFR 264.175 and SPCC Requirements