Sustainable 100% natural silk sponges are the perfect size (2-3 inches) and texture for skin exfoliation and cleansing. Able to hold liquids in lieu of cotton or other materials and sized to squish into the tiniest crevices, the SPONGE is a do it all resource. Completely biodegradable, hypoallergenic, and re-usable. Wash with natural soap that is chemical free. Lasts 3-6 months.