1.car roof rack manufacturer, 2.size: 50"*39", 64"*41", 69"*46" 3made of aluminium 4.universal luggage rack 1. luggage carrier ,roof rack ,auto roof rack2. Suitable for car with roof clip type 3.many difference size: size: 50*39 /64*41 /69*464.Good material:aluminium Aluminium Roof Rack(AD-807)