Outdoor solid colored aluminum, thickness 2.0mm, solid and durable Nippon powder coating on the surface, more color options, beautiful weather. Hollow widest capable of carrying 5+27A+5 work programme, you can clip flowers or hollow louvers, sublimation bedroom style, extended personal function. Professional and meticulous seal design, ensure better tightness of sound insulation, water tightness and thermal insulation, supporting Germany Strip for virtue, superior quality, reliable and professional