Our Fido storage jars have an airtight bail & seal closures to hermetically seal out air and moisture. From freezer to countertop, use them for dry, fresh or leftover foods. They're also great as gift containers for homemade delicacies. This format is ideal for the service of appetizers, finger food and desserts, but also for the buffet service of small portions of first and second courses. Gasket and metal ring not dishware safe. Gasket and metal ring not microwave safe. Freezer Safe (Min -20°C/-4°F). Not Oven Safe. Hand washing recommended without any cleanser for the gasket and the metal ring. LEAK PROOF 20 cl - 6 3/4 oz h 84 mm - 3 1/4 inch Ø 83 mm - 3 1/4 inch