... is made of aluminum 6063 T5,controled by remote control, Electric remote control Aluminum Roll Up Door is made of ... 33mm(without hook)The thickness is 1.0mmFunction:anti-sunlight,anti-rust,anti-lacerated, With rigid structure,theftproofing,noiseproofing,warm ... basic color white(F9073),other color is aviableFunction:anti-sunlight,anti-rust,anti-lacerated, With rigid structure,theftproofing,daylighting; ...