Stay Fresh 1193 Harold Import Co Veggie Cover, 4" L x 4" W x .25" H, Purple Stay Fresh Onion Cover prevents onions from drying out in the fridge once they've been cut; keeps cut onions fresher, longer; 4-Inches Contains strong odors and onion's juices Fun design allows easy identification in crowded refrigerators; saves space Economical and easy to use; reduces use of plastic wrap and foil Top-rack dishwasher safe