Simple Ecology Flexible Silicone Cover - Coverflex Small Translucent stretch covers replace single use plastic wrap, zip bags and aluminum foil. Available in four sizes 3.5, 4.3, 6.3 and 8.3 inches in diameter and as a Set of 4. 100% food grade silicone material is safe for use in the freezer, refrigerator, microwave and oven and is dishwasher safe. Earth-friendly, frustration free packaging, our individual covers are packaged in paper envelopes and the Set of 4 comes in a reusable organic cotton storage bag with cover useage instructions and tips printed on the bag. Silicone covers are made in Italy by Silikomart, a premier European supplier of silicone baking molds and accessories, and are FDA and CE compliant.