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.
For the protection of planted areas, trees and security glass. Boundary for dry and wet trenches. With the help of Electrolianas it is easy to protect tree-trunks, tree tops or single branches unobtrusively. The electrograss is made of stainless steel and plastic material, and has a long service life.