Dynomighty Men's Dot Matrix Pi Mighty Wallet - Super Thin Lightweight Tyvek Billfold

Geek chic. printed with the first 2940 digits of the calculation of π (pi=3.141593...) in the classic dot matrix printer font on standard blue bar fan-fold paper complete with tractor holes! the mighty wallet is tear-resistant, water-resistant, expandable and recyclable. Made from tyvek (think express mail envelopes), these cool wallets resist tearing because of thousands of interlocking plastic fibers spun in random patterns, giving them incredible strength. The ingenious origami construction was and is the original folded tyvek wallet designed by terrence kelleman. The stitch less design reinforces the materials own strength and allows these very slim wallets to instantly expand and adapt to your own personal storage needs. The mighty wallet will expand right before your eyes. Because of the slim, lightweight and water resistant features, you can take these cool wallets anywhere. They make great "night out" wallets for a slender silhouette and the writable surface conveniently acts as a quick note pad on the go. in time, the mighty wallet will gradually soften and patina but, even after years of wear, it will still offer surprise and solicit intrigue. Be mighty!