【Multi Channel Use】The classroom, office, conference room, factory, game park can be used freely, which is convenient and worry-free, and the label paper design is convenient and effortless to find. 【Metal Material】The box body is made of Aluminum alloy material + plexiglass, wear-resistant and pressure-resistant box body, light and thin but full of toughness and convenience. 【Anti-wear Design】The built-in EVA + pearl cotton double-layer protection material is used to prevent abrasion, aluminum alloy comfortable handle easy to use in various occasions. 【Partition storage】There is a number + note name sticker inside, which is easy to find one machine and one code, and the pearl cotton material is used to prevent wear and tear, which is easy to find. 【Customer Service】Please let us know when you have any questions about our products since your voices are significant when solving your problems.