Bormioli Rocco Fido Jar with Blue Lid (17 1/2 oz)The Fido storage jars have an airtight bail and 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. The jar has a gasket and metal ring to seal the contents inside, but they are not dishwasher or microwave safe. The jar is freezer safe so you can store items meant for your freezer without having to worry about the glass being damaged. The jar is not microwave safe. It is recommended that you hand wash the product without using any cleanser for the gasket and the metal ring. The jar is leak proof and provides longer lasting freshness.Bundle Includes: Bormioli Rocco Fido Jar with Blue Lid (17 1/2 oz, 6-Pack)