The only thing that can wear out during active use is the shutter cord. Replacing them can be done in a few steps, in a few minutes. For more information on how to change the cord, please visit our youtube channel for a video detailing the type of your blind (1G, 2G, 3G, 2R). 1G bamboo shade, cord replacement, rewinding 2G bamboo shade, cord replacement, rewinding 3G bamboo shade, cord replacement, rewinding