High quality materials: The case has good toughness and durability, and the suction cup is made of high quality rubber, which is flexible and durable. . With 2 suction cups: 2 suction cups for different sinks, the suction cup can be changed at will. The large diameter is 15 cm, the small 6.5 cm. . Easy to use: Align the suction cup with the drainage hole, lift the handle, increase the pressure several times for a strong air pressure difference, remove the stuck dirt. . Designed for home: The powerful unblocker helps you unblock all kinds of pipes in your home, for example toilets, sinks, showers, bathtubs and drains. . Complete set: 1 toilet opener with handle (Drain Buster - Compressed air plunger), 1 large suction cup, 1 small suction cup. .