Instructions for use: 1. Add an appropriate amount of normal temperature water to the pipe mouth. If the water has been leached out of the pipe, there is no need to add water, only the water outside the nozzle can be removed. 2. Put the appropriate amount of this product (40g each time into the sink, 200g or more in the toilet and main pipe), pour into the pipe, and rush in with a large amount of water after five minutes (seriously block the recommended hot water) to the pipe. 3. It can be operated repeatedly or waited for several hours without being dredged, and treated with leather tweezers (this product has a continuous effect on severe blockage, and wait patiently). Features: 1. Dissolves grease, hair, oils, soap scumand paper products easily. 2. Perfect to use on pipes, toilets, sinks, tubs and in other main drain lines. 3. Made of a non-corrosive-FORMULAtion-thats safe onseptic systems. 4. Uses its high density to cling to pipes andliquify drain obstructions. 5. Non-corrosive, non caustic and odorless-FORMULAtion. Item Specifics: Material: Percarbonate,NaOH, sodium silicate Capacity: 110g Size: 10.5x3cm Use for: Clean the sink, drain etc. Package Included: 3 x Sink and Drain Cleaner Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.