There is a 'tray' under the engine that will prevent any oil leaks from getting into the bilge. I used to keep one of the oil absorbing 'diapers' in there. Perhaps that is what you have found? Either way, you should be able to remove the junk and discard it.
Day To Remember, 1986 O'day 35 For Sale
Deep Blue C, 2002 C&C 110 For Sail
Mt. Sinai, NY
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