Mitragyna speciosa is an evergreen tree that can grow to a height of 25 m (82 ft) tall and the trunk may grow to a 3 ft (0.91 m) diameter. The trunk is generally straight and the outer bark is smooth and grey.
Overall though, metal is a much better option than plastic. In most cases, it is much more effective and reliable, and the right choice of metal will avoid the pitfalls of rust or weakness. Aluminium, steel and stainless steel are the three metal gutter materials for guards that homeowners can choose from.
(We fluff these fibres to make the material absorbent and soft.) The outer cover and the moisture-proof shields are made with a moisture-proof plastic such as polypropylene or polyethylene, to help minimize leakage. Our tampons have an absorbent core made up 100% of viscose fibres and a non-woven cover.