1 Noise isolation, effective noise reduction of more than 75%-90% of the noise, can reduce 44-53 decibels, high more than 60 decibels.

2 Environmental protection and energy saving, effectively saving 40-60% of electricity costs

3 Effective in blocking 99% of UV rays, reducing the risk of skin cancer and preventing the colour of furniture caused by UV rays

4 Windproof, waterproof and dustproof

5 High confidentiality

6 Prevents cold condensation fog from blocking the view

7 Flexible opening, double the life of the original window, safe and reliable, fast ventilation and air exchange.

8 Aesthetically pleasing, structure and colour overlap with the original window, easy to install and clean.