Quality Material: Inflatable Pipe Plug is made from sturdy rubber material that ensures long-term use and resistance to wear and tear Versatile Use: This Sewer Test Plug is great for a variety of applications, including pipeline maintenance, testing, and repairs. It can be used in different types of pipes, including sewer, drain, and duct. It's an essential tool for plumbers Function: This inflatable pipe plug is specifically designed for sealing and testing sewer pipelines, ensuring a reliable and efficient solution for municipal pipe maintenance Easy to Use: Plumbing Test Plug with hand inflatable ball, is easy to use and does not require complex steps to inflate Package Include: 1 set Inflatable Pipe Plug Specification: Material: Rubber Size: 19 cm x 14.5 cm / 7.48 inch x 5.71 inch Package Includes: 1 Set Inflatable Pipe Plug Note: Please allow slight measurement errors of 1-2 cm / 0.39-0.79 inch due to manual measurement