X-Seal & Go is a range of collapsible food containers with airtight seals. 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. Available in four different sizes, the X-Seal & Go containers are perfect for culinary adventures on the trail, as well as taking lunch to school or the office. . FEATURES. . . . . . BPA-free and food grade. . Easy clean threads. . Ergonomic quick-close lids. . Handy measurements imprinted on inside. . Tiny packed size. . . . . . SPECIFICATIONS. . . . . . Size Variation: Large. . Weight: 5 oz. / 145g. . Volume: 20 fl oz.. . Compressed Size: .7 in/18 mm. .