1.【Versatile usage gazebo】This pergola measures 12' L X 12' W x 9.5' H and it provides 144 square feet.This permanent gazebo become a perfect choice for outdoor barbecue, party, or daily relaxation with your family and friends. What’s more, you can use it as an outdoor parlor or even a parking shed for your car. 2.【Ventilated double top design】This outdoor patio gazebo is designed with a ventilated double-layer polycarbonate roof to provide a healthy and airy space. The polycarbonate roof can block 99% of harmful UV rays while reducing heat from sunlight. 3.【Sturdy aluminum frame】The gazebos for patios feature a strong powder-coated dark brown aluminum frame, resistant to fading, rust and corrosion. Comes with a pre-drilled base for each post. We suggest using expansion screws to make the whole system much more stable.4 corners adopt a triangular stable design reinforced for years of durability and safety. 4.【Include bugs netting privacy curtains】The hardtop gazebo is designed with a double-track system and double-sided zipper for quick sliding. The bug netting maintains good ventilation and an open view and the privacy curtains provide a safe and comfortable space for your family and children, it can also keep the space warm.