Correction made Nov. 12, 2010
X-Flex wallpaper won't make your walls aesthetically pleasing, just safe from collapsing from lethal force. This startlingly resilient covering is designed to reinforce buildings against man-made blasts, flying shrapnel and destabilizing natural disasters. Once the wallpaper is applied, its Kevlar-like material, combined with an elastic polymer wrap, becomes virtually stronger than the wall it's shielding — so strong that it's being considered to protect U.S. military bases overseas. Now if only they could make some to cover the windows.