Sterile instruments, like - Nitraseal, are used in dental practices on a daily basis. Such sterile instruments have to be stored in a suitable packaging, if the practitioners want to store the instruments sterile for a longer period of time. Nitraseal helps to package and seal instruments for storage and transportation. It is a compact sized, easy to use instrument with permanent temperature control and it keeps the instruments sterile for a sufficient length of time. It is with acoustic and visual indicators and the Sealing foils are available in 5 different widths.