LDR 512 3110 Handy Sink Plunger, 4-Inch Cup With 9-Inch Solid Plastic Handle is ideal plunger for kitchen sinks, laundry tubs or bath and vanity drains. Plunger with short 9 handle easily stows below sink for handy emergency use. Four inch rubber cup is ideal for sink drains and forces water down drain for clog free solution. A larger LDR plunger is recommended for toilets as the larger cup size gives additional water force needed to free clogged toilets of larger waste or other plugged objects. To use this plunger: place rubber cup in the water filled sink, directly over drain. Insure rubber lip has good seal all around the sink and is covering up the drain . Force plunger handle in downward motion to force the cup and water inside the cup down the drain. Lift the plunger up and repeat the plunging action until the clogged sink drains free. If rubber cup sticks in collapsed position, pull the cup open so it is fully extended position plunger over the over the drain again and repeat as needed until drain is clog free. Some clogs may require an LDR plumber tape to remove the clogging mess. Dont call the plumber, cancel the exercise classes, burn off calories working this little gem to clear your own drains. See larger LDR plungers (LDR 512 P3515or LDR 512 3410) recommended for toilets, or LDR plumber snake to those really nasty messes (LDR 512 1515). Limited Lifetime Warranty.