Earth-Friendly Cleaning Tools Biodegradable Cellulose Sponge Safe on Glassware Renewable Bamboo Recycled Plastic Layers of Sponge Remove Lipstick Stains Stands up for Easy Storage Come Clean. Full Circle Great for Tall Water Glasses! Sustainable bamboo handle meets biodegradable cellulose sponge for glass washing rendezvous. Outlook? Super sudsy scrubbing and serious shimmering sparkle.