Straw cleaning brushes by Jungle Straws are perfectly made to clean reusable drinking straws. Our reusable straw cleaning brushes are made using natural and organic fibres or nylon. They are designed to clean stainless steel straws, glass straws or bamboo straws! Please read the following to ensure that you do not purchase the wrong type of brush. We have 3 different brush types available: Natural coconut husk fibre - Suitable for medium or thicker straws Natural grass fibre - Suitable for medium or thicker straws Synthetic nylon fibre - Suitable for all straws including thin straws