Using all-natural, loofah gourds grown in Rukinga and Kenyan-made cellulose, these Sponge Scrubbers are biodegradable and chemical-free alternatives to conventional sponges. 100% Made in Kenya Packaged in a set of 4 sponges Once you’re ready to replace your sponge, compost the old one or bury it in the garden. It is completely biodegradable, made of natural plant fiber and doesn’t contain any plastics or synthetics. To ensure your sponges last as long as possible, rinse clean and squeeze dry after using, then place it in a dry spot where it can drain. If you use a heavy amount of grease when cooking, you might replace your sponge more often, or need to wash it with soap several times to dislodge stuck grease. You can sanitize the sponge by misting the sponge with hydrogen peroxide or dipping in boiling water. Sanitizing and cleaning your sponge can help extend the life of it.