Snapware Airtight Clear Rectangle Lid w/Teal Rubber Gasket for 2 or 4.7 Cup Plastic Containers Snap Lock Lids are airtight and leak-proof for secure storage Gasket easily Removed to wash before use to optimize seal Non-porous surface does not absorb food odors, flavors or stains 100% BPA Free Plastic Made in the U.S.A