Description The PROOF Greenskeeper is a slim RFID-blocking wallet built on an aerospace-grade aluminum frame in fairway green gunmetal, with classic top-grain and full-grain leather. It holds up to 25 cards inside the frame and 20 folded bills under the rear strap, at 49.5 g. How It Carries Cards sit inside the aluminum frame. RFID-blocking material is built into the interior. A pull strap on the front fans the cards out, and an elastic cash strap across the back holds folded bills. Protected by U.S. Patent No. 12,604,959 and U.S. Design Patent Nos. D1,138,157 & D1,138,158. Covered by PROOF's lifetime warranty: if you damage or lose the wallet, PROOF replaces it. Spec Size: 3.75 in H x 2.25 in W x about 0.5 in thick, depending on card load Weight: 49.5 g Frame: aerospace-grade aluminum, fairway green gunmetal finish Materials: classic top-grain and full-grain leather Capacity: up to 25 cards and 20 bills RFID-blocking Included: PROOF stainless steel multi-tool, which fits the wallet bolts Maker: PROOF U.S. Patent No. 12,604,959; U.S. Design Patent Nos. D1,138,157 & D1,138,158 Warranty: lifetime, covering damage and loss