A large, thin plastic lid (like from a yogurt tub or a large margarine container) and scissors.
Place the bag directly over the drain. For kitchen sinks or tubs, let one corner of the bag point down into the center of the drain to help anchor it. The weight of the water inside will press the plastic against the edges of the drain, preventing leaks. 2. The DIY "Universal Disk" (Yogurt Lid) homemade sink stopper
Place the flat disk over the drain. As you fill the sink, the downward pressure of the water will suck the disk against the drain opening, creating a surprisingly strong seal. 3. The Sponge or Washcloth Plug A large, thin plastic lid (like from a