Collapsible food container with an airtight sealX-Seal & Go are a range of collapsible food containers with airtight seals. The threaded lids are simple and easy to operate, and provide peace of mind against spillage. When not in use each container collapses to a minimal height, taking up signi cantly less space in your bags. Available in four di erent sizes, the X-Seal & Go containers are perfect for culinary adventures on the trail, as well as taking a lunch to the o ce. Durable and easy to care for with the highest quality food-grade materials and microwave- and dishwasher-safe.