1) Designed for High grade 2)safe lock and handle 3)Strong resistance 4)more style and colors available 5) print logo ... fresh air.3,Staff objectives: Choi-chi, with a minor, win-win progress.4,Business philosophy: science and technology, quality, service ... time to complete production. Packing:Usually carton packaging, or bubble bag with a label. Specifically according to the customer to your needs ...