Prepara Latchlok Food Storage containers use an interior silicone gasket system to create a firm watertight and airtight seal. The perfect solution for at home or on the go! Simply pack your meal for work, school, or wherever, and easily reheat when you are ready to eat. Crafted with Tritan™ material with a glass-like look and feel, Latchlok won’t chip or crack and is odor and stain-resistant. This 26-piece set will be a great gift, providing many different storage options for a variety of uses.