When you put the ingredients in the pan and there would be a little puddle of water underneath because the seal on the bottom was leaking.So you need a sealing set to restores the bread machine to normal operate Pan Seal set Includes: Heavy duty seal, stainless flat washer, Stainless steel snapping rings & stainless Steel E-clip If you have a bread making machine that had a leaking pan Rather than throw it out, replacement seal set online and make the repair If you do not see a visible red seal inside the pan, then please do not attempt to install this seal set If you ' re look for part for your machine, make sure you verify your model works for the parts you order