These bunk beds are crafted of solid hardwood and are a great value for kids rooms, guest bedrooms and second homes. The wood from the rubber tree has long been commonly used in the manufacture of tables, chairs, bookcases and is valued for its dense grain, stability, attractive color and acceptance of different finishes. Atlantic Furniture utilizes this environmentally friendly wood. Rubber trees that have been cut down at the end of their latex-producing life cycle and are always replaced with new seedlings. The rubber tree is one of the world's most abundant and economical hardwoods.