Efficient Drain Cleaning Kit: 3 pieces of drain rubber bladders of different sizes are suitable for drain openings with a diameter of 1 to 6 inches, water expands to seal the pipe after passing through the drain bladder unclogger, pulsating through water pressure can quickly clear clogged drains, as far away as possible up to 1000 feet, complete kit ideal for cleaning a variety of different sized main drains and exterior sewers Easy to Use: the unclog sink drain bladder uses the power of water to clear slow and clogged drains in main drains and sewer lines, is very easy to use and can be applied frequently; You don't need the of an expensive plumber, and it's more than bad smelling chemical drain cleaners Quality Material: the drain bladder unclogger is made of quality rubber, which can be applied for a long time in environments, and has good wear resistance, is not easy to be worn and damaged, and can withstand frequent use; Rubber is highly extensible, allowing it to expand and