The Sea Sponge is a 100% biodegradable, environmentally safe, quickly renewable natural resource. Natural sponges can be used for all washing and cleaning purposes. They are also used for painting and faux finishing projects. Native to the waters surrounding Florida, natural sponges have been used for hundreds of purposes for over 2,000 years. Narural Sea Sponge - Is the right choice for "Creating The Perfect Bath" for you. For centuries it has been used for personal care cleaning, washing, painting, and habitat's. A properly cared for Sea Sponge can last for many months Care and Cleaning: The key to getting the best and longest use from your natural sponge is simple. After every use rinse any soap or body wash from the sponge and let air dry until your next use. To periodically freshen you can soak your sponge in a solution of (3) ounce vinegar in a bowl of warm water. Allow to soak for 1 hour, then rinse thoroughly and allow to air dry.