The instrument box comes with a lid that prevents internal items from dust and dirt. The box has curly edge design that is turned down slightly so the sharpness does not scratch your hands. Convenient to store a wide range of laboratory materials, dental instruments, medical cotton balls, alcohol swabs, gauze dressings, etc. 100% stainless steel construction makes these instruments easy to sterilize and can be fully autoclaved without fear. A safe and hygienic choice for medical school, labs, healthcare facilities, nursing homes, care centers + more. Suitable for personal or professional use.