New Pig polyethylene snap-on drum lid. Economical poly lids protect drum heads and bungs from dirt, moisture and rust. Weather-resistant, durable polyethylene construction is suitable for use indoors or outdoors. Tough and rigid to provide reliable protection without cracking, splitting or falling off. Black color shields contents from light and allows easy marking. For 55 gallon new tight-head steel drums. Style: snap-on. Composition: polyethylene. Measures 23-inch inner diameter by 1-inch height.