Our bamboo handled pot brush made with birch and palm bristles have a replaceable head that screws on. Sustainable and durable this pot brush / scrubber is great on stuck on foods and has heavy duty vegan bristles. Great for cast iron and non-stick pans alike. Brushes are sold as cases of 4 and our branded with our company logo Feel Good Market. Care: When needed, add a small amount of soap to a cup of vinegar and soak your brush in the liquid for about 10 minutes to kill germs and remove bacteria; Rinse with hot water; Lay brush bristles down to dry. Keep handle from soaking in water for long periods to extend the life of your brush. Each brush can last 6 months to 2 years depending on usage. End of Life: Pot brush can be used until it is worn out. Worn out brushes can also have alternative uses, such as used as a cleaning brush in another part of the house or garage. Once worn out, the wood and plant fiber parts can be composted or buried in the garden.