100% airtight, 100% leakproof premium storage solutions designed to keep food fresher, longer. LocknLock is an international award-winning leader in food-storage design and innovation that pioneered the original, 4-hinge airtight locking system. Designed to last up to 3 million uses, LocknLock containers lock out moisture and lock in flavor to help you get the most out of your ingredients, on-the-go meals, and leftovers.