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 suitable 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 is an essential tool for plumbers Function: This inflatable pipe plug is designed for sealing and testing sewer pipelines, providing a reliable and efficient solution for municipal pipe maintenance Easy to Use: Plumbing Test Plug with hand-inflatable ball is easy to operate and does not require complex steps to inflate Package Includes: 1 set Inflatable Pipe Plug Specifications: Material: Rubber Size: 19 cm x 14.5 cm / 7.48 inch x 5.71 inch Note: Please allow slight measurement errors of 1-2 cm / 0.39-0.79 inch due to manual measurement