Completely BPA-free, the four-piece nesting set with vacuum seal is designed to save food. Simply press down on the lid to remove excess air that spoils food. Save money - it pays for itself and more by keeping food fresher longer. Save space - each container nests for convenient, efficient storage. Save time - each container is microwave, dishwasher and freezer safe for long-lasting use. Unlike other products, these containers use a patented valve system that allow you to easily remove excess air, so growth of naturally occurring bacteria is greatly reduced and food stays fresh longer. With the Ozeri INSTAVAC, instant vacuum freshness is created without pumps, motors or confusing parts. Simply press down on the center of the domed cover and air is forced out through the one-way valve, creating a vacuum with minimal effort. Nesting Set with Vacuum Seal.

• Instant vacuum freshness without pumps, motors or confusing parts. Simply press down on the center of the domed cover and air is forced out through the one-way valve. Requires minimal effort
• Patented valve easily removes excess air so growth of naturally occurring bacteria is greatly reduced, and food stays fresh longer
• Also features a release valve that prevents spills, splatters, and bursting when used in microwaves
• Handy date dial allows you to record when food was first stored and monitor days kept in the refrigerator
• BPA-free, stain-resistant, shatter-proof, and as transparent as glass. Freezer, microwave and dishwasher safe. Satisfaction guaranteed