Features: Laptop bag+cooling bracket+mouse pad 3-in-1 design, reduce mobile office work burden, convenient to use. Ergonomic design, laptop stand can improve your posture and helps relieve back and neck fatigue after long hours of working. Stable triangle structure, not easy to shake, good heat dissipation effect. High-quality leather+felt material, splash-proof, scratch-proof and wear-resistant, more durable. Lightweight and portable, not occupy much space, easy to carry around. Specification: Type: 3-in-1 laptop bag Color: Light Grey/Dark Grey( optional ) Material: Leather+felt Function: Laptop bag+cooling bracket+mouse pad Item size: 42 * 30cm /16.54 * 11.81in(S), 35 * 25cm /13.78 * 9.84in(L)( optional ) Packing list: 1 * Laptop bag