Collapsible with an airtight lid the X-seal & go is perfect for storing food to take out on the trail or around the camp. The threaded lids are simple and easy to operate and provide peace of mind against leaks. When not in use each container collapses to a minimal height, taking up significantly less space when stored.BPA-free and food gradeEasy clean threadsErgonomic quick-close lidsHandy measurements imprinted on insideTiny packed size285g