Simple and easy to use comes the Sea to Summit X-Seal and Go Set Small. This set is a range of collapsible food containers with airtight seals. The lids are threaded to prevent leaks and when they are not in use each container collapses to a minimal height that will take up less space when its stored. The X-Seal and Go set includes one small container and one large container that nest into each other for one compact package. These sets are perfect for adventures on the trail as well as taking your lunch to school or work. Combines Two Versatile Containers into One Slim Unit, BPA-Free and Food Grade, Easy Clean Threads, Ergonomic Quick Close Lids, Handy Measurements Imprinted on Inside, Tiny Packed Size, Category: Sets, Use: Both Backpacking and Car Camping, Weight: 7oz., Collapsible: No, Model Year: 2018, Product ID: 476590, Model Number: 606-41, GTIN: 9327868067329