1)High quality and best price 2)Easy set up and take down 3)Many size,colour, ... good market prospect This canopy carport is very durate with high quality.It waterproof,uv resistant so you can rest assured of ... ; tube diameter:38mm joint: steel joint4.) Packing:each pc into 2 export cartons5.) Spare parts:installation manual, pegs, ropes, bungee cords ...