7 m long [cost-effective price]] 5 m long [multi-buy discounts]] 4 m long [4 windows can be attached]] 3 m long [affordable]] 2 m long [2 side windows can be attached]] 1 m long [experience practice]]

high insulation 50cm wide [dark black] can't see inside outside high insulation 50cm wide [medium black] look outside and inside high insulation 50cm wide [dim gray] look outside and inside high heat insulation 50cm wide [dark green] outside vaguely look inside high insulation 50cm wide [reflective gray] look outside and inside high insulation 50cm wide [light gray] transparent high visual pu insulation 50cm wide [dark black] can't see the inside outside pu insulation 50cm wide [medium black] look outside and inside pu insulation 50cm wide [light blue natural color] transparent