Features: 1) Easily to assemble, safe and convenient to use with sturdy structure 2) Noise insulation, heat resistant, Features: 1. Material: Adopt natural timber , such as larch, red pine, spruce, teak. They carry through finely process, for example, dehydration, degreasing, finger joint, integrated, Better preservative, anti-deformed & performance, Insect proofing, anti-warping, anti-distortion ...