Dynomighty Men's Oklahoma State Mighty Wallet 100% HDPE Hand Wash The mighty wallet is tear-resistant, water-resistant, expandable and recyclable Innovative design has no stitching and instantly adjusts to a custom fit Made from a single folded sheet of a strong micro fiber material tyvek Super thin wallet provides a slim profile, less bulk and freedom of movement Dimensions open 8 x 3 1/4 x 1/8-inches