MATERIAL- Aerospace-grade carbon fiber, with 103% genuine first-layer full grain leather edgs (the best leather on the market) combine with the Eco-friendly zinc alloy FUNCTION - Key rings (including home, car, office keys) can be removed or replaced simply DESIGN-Classic, timeless, elegant design looks perfect from every angle. CORLOR: Available in 9 unique stitching colors choice, that should have one color satisfied you GUARANTEE-When you order today, you\'re protected by MGCFTan of the product and world class customer service!