The California Sunbounce system is equipped with an aluminum frame, which can be used with light-reducing, light-absorbing, and light-restricting screens. Mounted on an optional 20X20' Sun-Scrim butterfly frame, the California-Sunbounce Sun-Scrim Black Moulton Screen completely blocks the light.This California-Sunbounce 20X20' black moulton screen is manufactured using world’s best-quality materialsYou can easily dismantle the frame and carry it anywhereThe frame holding the screen modifies light consistentlyDespite its size, these California-Sunbounce panel reflectors are extremely lightweightOptional bungee cords are required to attach the screen with the frame, which are sold separately