1no formaldehyde 2easy to clean 3no maintenance fees 4resist to water, insect smitten.and extrenme hot or cold 5recyclable Descriptionwpc air conditioning box size ,length: design according to customers need. color twelve available colors: Deodar color, golden wingceltis color, inferior to pomelo color , strong pomelo color, cherry color, red wood color ,congo red color ,purple wingceltis color, ...