This product is suitable for home, household, office, outdoor, travel, etc. Food Grade, Reusable, Long Lasting Lid with easy-locking clips and extended flexible seal helps keep contents fresh Owing to its mini size and compact merits so that this food storage box can be stored in your backpack easily and conveniently Delicious sandwich and various kinds of food can be away from dirts, dirt and debris with help of this food grade, leak-proof and fresh-keeping food storage box, so sandwich can be preserved for a long of time. Top-rack dishwasher-safe; fridge- and freezer-safe; microwave-safe without lid