Earth-friendly Bamboo Window Coordinates help with privacy while letting natural light in. An integrated, easy-glide, top-mounting ring system makes for effortless installation. Includes 1" rust-resistant rings. Bordered by coordinating cotton twill. Add the Insulating Liner for more light and temperature control. The 40" x 63" and 40" x 84" panels cannot be shipped to P.O. boxes and APO/FPO addresses.