Heavy-duty spill containment for a wide range of situations including tanker trucks, drums, generators, IBC's, frac tanks and more. Quick to set up, the side walls may be driven over without damage or collapse of other walls. The perfect choice for spill prevention and containment when filling, discharging, cleaning or doing maintenance on liquid storage containers. No inflation needed to raise side walls. Innovative tension clips lift and support walls as needed. Easily drop clips to lower side walls. Sump color is Black. Construction: Ethylene copolymer trademarked as Copolymer 2000. Other materials available upon request.