Bowl Covers Reusable Plastic Silicone. Bowl Covers Reusable to keep your food fresh. Very versatile: stretches up to three times their original size and are microwave and freezer safe! Unlike plastic wrap or foil Bowl Covers Reusable are dishwasher safe. Two 6"X6" covers and one 9-3/4"X9-3/4" Cover. Save the environment by using these Bowl Covers Reusable .