The Press Dome lid keeps food fresh and is suitable for microwave, dishwasher, refrigerator, and freezer use. It fits 99% of all plates, platters, pans, containers, trays, and more.

Use it in two ways:

• As an airtight lid by simply placing it on any plate or soft surface.
• For vacuum sealing, press the built-in vacuum pump. To release, pull the pump upward...