VERY GOOD QUALITY MEMBRANE STRUCTURE GOOD LOOKING, STRONG CONSTRUCTION.. 1 membrane: PVC membrane ... . 5 tearing strength: 580/520N. 6 adhesion: 120N/5cm 7 temperature:-30~70ºC 8 color: white. 9 perfect sun-shading ... 12 design according to customers requirements Low-cost supply of high quality big,wedding,exhibition,aluminum alloy,pagoda,outdoor,storage,relief,party ...