These pre-rolled tubes have an installed crutch which is made from natural corn husk, allowing bigger and smoother draws. Contains no artificial preservatives. The leaf used is from the flowering tree of the Cordia (Borage) Family originating from Singapore rain forests, offers the best smokable leaf in the world. The handpicked leaves are very resilient, cleaned with purified water, and hand-rolled. The result is a very slow burning tube and can be brushed with water for rehydration. Each pack contains a 72% Boveda pack to keep the humidity at the optimal level.