Automatic Pop-up: The fiberglass bracket automatically pops open without the need for assembly. Innovative folding technology, easy storage, suitable for travel and camping. Lightweight Material: Made of fiberglass frame, lightweight and durable, superior to commonly seen rust prone steel materials in the market. Weighing only 20 pounds, it is easy to store and carry. Spacious Ventilation: The four sided mesh wall design provides 360 degree ventilation, effectively dissipating heat and maintaining a wide field of view. The size is 12'x12'x7.5 ', which can 8-10 people and outdoor furniture or barbecue grills. Protective Function: The top fabric provides UPF 50+sun protection, the mesh wall effectively prevents insects, and additional hooks can be used to hang clothes or backpacks. The large entrance door is equipped with double-sided silicone zippers, which can be easily opened and closed both inside and outside. Strong Stability: Equipped with 8 extended sandbags, 16 windproof ropes, and 16 metal ground nails to enhance wind resistance. It is not recommended to use it when the wind speed reaches 24-30.8 miles per hour.