FatBoy Plugsters™ are economical choices for municipalities and contractors. Both our single-size plugs and multi-size plugs are constructed of high-quality, durable natural rubber and designed to be dependable and long lasting. Single-size FatBoy Plugsters™ are economical inflatable plugs that can be used in a variety of applications to block flow and hold pressure. The plugs come with a ¼-inch or 3/8-inch eyebolt to lift and lower the plug and come in a range of sizes to accommodate most nominal pipe sizes.