Portal 2 Aperture Laboratories Logo Leather Wallet Black/White 4" x 3.5" Protect your assets! Rigorous tests have shown that subjects find it difficult to transverse portals and defy the laws of physics while keeping their identification and monetary transaction elements organized. The Aperture Science Wallet has been shown to lessen the effects of lost cards and bills when conducting tests within the grounds of the Aperture Science testing facility. Protect your assests with the Portal 2 Aperture Science Labs Logo Leather Wallet! Measures 4-inches long and 3 3/4-inches tall when closed. Ages 14 and up.