Instant solution for sink drains and clogged toilets. High-quality suction base. One of the most critical features of a toilet plunger is the tight seal it forms against the bottom of the toilet bowl. This toilet plunger is designed to let you produce greater plunging force than your typical toilet and sink plungers by perfectly adapting to the surface of the toilet bowl with no slippage, effectively creating a seal that pumps both water and air to push out the blockage in the sharp bend.