Keep White Mushrooms†in its original packaging. If to be kept for a while, keep them†in a paper bag, or in a damp cloth bag in the refrigerator to allow ventilation and preserve its texture. Avoid†storing mushrooms†in a plastic bag, which causes them to deteriorate quickly.
Rinse off Cucumbers for any dirt or grime and dry them thoroughly before storing to remove excess water on the surface which encourages spoiling. Wrap in a clean dish towel or paper towel and tuck them inside a resealable plastic bag. Put the bag into the crisper drawer of your fridge.