Luffa is a genus of tropical and subtropical vines in the cucumber family. In everyday non-technical usage, the luffa, also spelled loofah, usually refers to the fruits of the species Luffa aegyptiaca and Luffa acutangula. All Natural unbleached Loofas. There may be seeds inside the natural sponge Uses: This may be used to as a Skin brush for the shower and be used for the kitchen to scrub pots and pans. Its eco friendly and can be composted directly back into the garden. This information is for education purposes, and is not intended to diagnose, treat, cure, or prevent any disease. This information has not been evaluated by the Food and Drug Administration.