Aluminum boxes exquisite manufacturing process, style popular choice of advanced aluminum alloy exterior, lined with EVA choose to do damping, structural design and practical. Aluminum and aluminum boxes have rounded aluminum Cartesian points, rectangular aluminum boxes are generally weigh relatively large, strong and durable; Aluminum petite nice rounded, rectangular aluminum Disadvantages: cumbersome, not beautiful; round aluminum Cons: Cheng Weight not. We will according to customer requirements needs to select the appropriate Trunk!