the seat measures 1-1/2 inches in thickness and has an inner plywood core that is 1/2 of an inch thick

Urethane bottom layer (same as Ultra Drain Seal) keeps spills from entering drains

Application - Valves: Corrosives

and provides outstanding fatigue relief and improved traction

this BOB float valve

Enpac Portable Drip Pillow, Reinforced Vinyl, 4 gal Spill Capacity, 42 in Length, 38 in Width - 5680-YE Nominal Size-54" X 36" X 1.25" the seat measures 1-1/2 inchesSorbent pillow berm is constructed of UV resistant reinforced vinyl pads. Grounding straps and grommets are included for staking, tie down, or tethering. Sturdy weighted base withstands 40 mph winds. Replacement pad inserts available separately on Grainger. com.