THIS AUTO VACUUM DOME AUTOMATICALLY REMOVES AIR FROM THE DOME, HELPING TO PRESERVE THE FRESHNESS AND FLAVOR OF ALL YOUR YUMMY BAKED GOODS! ALTHOUGH PRIMARILY DESIGNED FOR BREADS AND CAKES, THE DOME ALSO WORKS WELL WITH FRUITS AND VEGETABLES, PRESERVING THEM FOR LONGER THAN TRADITIONAL STORAGE OPTIONS. WITH A 7 QUART CAPACITY, THE DOME IS BATTERY OPERATED UNIT IS EASY TO USE AND REQUIRES NO OTHER MACHINE OR SPECIAL MATERIALS. SOLD COMPLETE WITH A REVERSIBLE 9 1/4" DIA. FOOD TRAY AND PERFECT FOR BAKERIES AND OTHER COUNTERTOP DISPLAY APPLICATIONS!