1. use the high quality material- aluminum alloy and pvc coated for frame and cover. 2. it's stable, safty, and pretty looks, widely suit the all kind occasion, like the wedding, party, gathering, social activities, all the festival. 3. easy set up ans dismantle, hardless for transportation to where you wanna , and protect you from sun and rain. 4. UV, resistance, waterproof, mildew against. the material comes with the DIN,4102,B1,M2. any had verified by ISO & SGS the international quality standard. 5. it's more flexible to use, and suit more occasion also you can make it for exhibition or other display, it's like one of your home out door and provide you space out door, close to the nature and breath fresh air.