• Made from biodegradable, textured grain leather, high-grade scratch resistance and color retention. • Upgraded real cooling function, built-in silicone cooling pad and one-piece aluminum plate, excellent CPU heat dissipation. • One-of-a-kind color-changing temperature sensing indicator, color changed when temperature changed. • Enhanced aluminum camera frame, wrapped whole camera, provides full protection, prevent scratches. • Built in quality magnets, with strong magnetic strength, compatible with MagSafe and PowerShare. • Independent aluminum buttons with great tactile on every use.