The Ultra-Drain Seal is a valuable addition to any emergency response plan, spill kit or stormwater management program. This storm drain cover is constructed with a flexible, non-absorbing material and reinforced tear-resistant mesh, the pad is designed to quickly and effectively seal a drain in an emergency.Made of urethane which allows the pad to deform and seal off most drainsResists oil, water, & most aggressive chemicalsCleans with soap and waterWeight: 8 lbsMade in the USANot intended for long-term outdoor use