* Earth-Friendly Cleaning Tools * Biodegradable Plant "Plastic" * Renewable Bamboo * Natural and Recycled Bristles * Packaged with Recycled Paper and Eco-Friendly Inks * Made with Bonterra Biodegradable Plant Plastic * Come Clean. Full Circle Stands up on its own and dispenses soap? The only way to make dish washing easier is to get someone else to do it for you. This brush uses a unique bristle blend. Natural plant bristles hold soap for clean, sudsy action; recycled plastic bristles are earth-friendly and super durable. Plant fiber bristles naturally darken after soaking.