Cuchina Safe Vented Microwave Glass Lid; Perfect Lid for Bowls, Mugs, and Pots (8 inch - 1-Piece Set) VENTED GLASS: This 8 microwavable lid allows coverage for most plates and shallow bowls. Our vented glass technology allows the steam to keep rolling, enabling your food to stay moist. CLEAN & DURABLE: Cuchina is made from tough borosilicate glass, a less toxic alternative to plastic. This glass wont absorb smells or bacteria like plastic and silicone. Oven safe (up 450 degrees) and dishwasher safe. PRACTICAL: Steam, reheat, cook and retain nutrients with our patented flat design. A built in splatter guard helps to keep appliances and countertops clean. CUCHINA SAFE: Our products are the non-toxic alternative to plastic lids, wraps and paper towels commonly used in microwave cooking. Breast cancer survivor Susan Castriotas innovative design will change the way we microwave! Its time to throw away those nasty plastic lids and plastic wraps for a healthier glass alternative. SINGLE-PACK: Cuchina Safes durable lids are a safer alternative and handy kitchen multi-taskers, tooand we think that makes them a double good idea.