Wedding Arch Backdrop Cover Arch stand backdrop cover made of 90% polyester and 10% spandex, and used for weddings, birthday party, baby shower, bridal shower, anniversary, engagement, baby gender reveal, holiday celebration and Photographic Photo Backgrounds. celebration and Photographic Photo Backgrounds. Also can be decorated with flowers, balloons, plants and other accessories. Provide more possibilities for your wedding decoration. Specifications: Color: 11 Color Size: 2.6x6ft, 3.3x6.6ft, 4X7.2ft (WxH) Package includes: 1 Arch Backdrop Cover