IN A NUTSHELL SCRUB SPONGES: With this scrub sponge from Full Circle Home, you can clean everything in the kitchen from dishes to countertops to appliances and much more. DESIGN: The scrubber sponge is made from walnut shells. This gives the sponge its scrubbing power and cleans quickly. ENVIRONMENTALLY FRIENDLY: Made from plant-based material and contains no toxic or harmful substances. A good choice for you and the environment. MAINTENANCE: For the longest lifespan, wash in warm water with some soap and let dry well. Do not soak for too long. FULL CIRCLE HOME: Sustainability and environmental friendliness are number one at Full Circle. All Full Circle products are sustainable, made from recycled materials, and recyclable.