Introducing the Micro Wallet – Artist-Designed Ultra Slim Wallet by paperwallet, an ultra slim and small wallet. Designed to the millimeter to be as slim and small as physically possible, these extraordinary wallets are made from Tyvek smart material. This space-grade material is strong, durable, lightweight, water-resistant, and even eco-friendly. In other words, it’s the perfect material for a wallet. The wallet is as thin as a credit card. And, it expands with use to fit up to eight cards plus cash. It also acts as a canvas for art, featuring the works of cutting-edge artists from around the globe, making it much more fun than your traditional wallet. To top it all off, the Micro Wallet also has built-in RFID protection and intuitively designed pockets.