Class is in session. Classic 3-ring binder paper is printed inside with the French conjugation of To buy (I buy, you buy, he/she buys, etc). The Mighty Wallet® is the world's best-selling Tyvek® Wallet. Created in 2005 by Terrence Kelleman, the Mighty Wallet® has thousands of interlocking plastic fibers that creates a paper-like wallet which is durable, thin, tear-resistant and water-resistant. Made from a single sheet of Tyvek®, the Mighty Wallet is a slim, folded, eco-friendly, and vegan alternative to old-fashioned bulky wallets. The Mighty Wallet® is 100% recyclable, has no animal by products or plant matter, and is a long-lasting sustainable choice for those who care about the future of our planet. The skinny profile, lightweight design, and indestructible features makes the Mighty Wallet® the best night out wallet and a perfect accessory for the adventurer who is always on the go. Writable and customizable the Mighty Wallet® will show off your one-of-a-kind personality, express your diversity and get you remembered.