Mr Nomo is a magnet like desiccant that absorbs all moisture and helps fight fungus, combats growth of moulds and mildew. Regular usage improves the quality of air and helps provide healthier air to breathe. Your priced possessions (clothes, collectibles, books, shelves, gadgets etc) will surely be free from moisture marks, mould stains and unpleasant smell. Mr Nomo is easy and absolutely safe to use with your loved ones around. It is sure to be your best friend when it comes to clean and hygienic housekeeping. Each lasts up to 60 days depending upon weather conditions.