Zero Waste MVMT natural loofah sponges are 100% biodegradable and are made from plants! The sponges are double layered and stitched with a cotton hanging loop. They are eco-friendly and also completely zero waste. Uses: Household cleaning, dishes, and shower loofah. Instructions for use: Let the loofah soak in water for 1-2 minutes as the sponge expands. Care: Squeeze out excess water and hang dry Measures approx 4 inches long x 2 6/8 inches wide.