ZigZag Single Panel Retractable Screen Doors for large openings The ZigZag single panel retractable screen doors are the ideal solution for bi-folding, lift-n-slide, and other large openings that features 1 large screen panel. In addition to its attractive pleated fabric look, the screen can be opened or closed with finger-touch controls from either end because the screen does not use a tension spring. The ZigZag screen is pre-assembled for fast and easy installation, and the screen opens at either end and can be moved and positioned. Available in 4 frame colors and fits openings up to 196″ wide x 102″ tall.