Most kitchen sponges are made of cellulose (natural fibres). However, the scrubby part is typically made of polyester or nylon. These materials are neither recyclable nor biodegradable and are made from nonrenewables such as oil and gas. Those sponges have a huge carbon footprint, and will sit in your landfill for centuries. Instead of contributing 52 sponges to your landfill every year, or bathing your sponge in intoxicating amounts bleach, how can you keep your kitchen clean without adding to landfills or using toxic chemicals? These loofah kitchen sponges are a cheerful addition to any home and are made of naturally grown and processed loofah.