New Pig Drive-Over DrainBlocker Drain Cover Seal, 12" Diameter, For Round Drains Up to 6" Diameter, Black, PLR312 Ideal for long-term drain protection where liquid transfers, washdowns or other leak- and spill-prone jobs are common Eliminates the need to frequently deploy and remove a temporary cover or permanently seal your drains Tough, patented-rubber HogHyde Skin stands up to punctures, tearing and abrasion, even under heavy vehicle traffic from tankers, trucks or forklifts Super-sealing urethane bottom layer conforms to uneven surfaces and tightly seals drain openings to block liquid Also withstands UV rays, infrared light and all weather conditions; keep outdoors as long as needed without worrying about degradation