If smoking joints is still your preferred style of consuming weed, you should consider enhancing your experience with these stylish 7 mm glass filter tips from Marley Natural. As opposed to old school paper roaches, these glass filters are reusable, thus not only saving you money but also being kind to the environment. By providing the right care with glass cleaning solutions like isopropyl alcohol and then rinsing under warm water, these filter tips will last a lifetime.