--Thermal break and energy saving,heat insulated
--Reinforced structure and toughened glass making it crush resistance and anti-deformation
--safety protection without leakage,overall waterproof drainage design
--Noise Sound Proof
--Windproof
--Snow loading
--Anti-theft
--Air tightness
--Rust-resistant,robust frame made of heavy duty aluminum
--Perfectly integrate with any home design and outdoor environment
--Ready to assemble pre-drilled profiles
-Manufacturer directling price make it affordable for everyone.
--Optional Solar panel can help reduce elctricity bill and make money for its owner.