Silicone lid set of 6 reusable container replacement stretch lids from SPIN's Premium durable & expandable to fit various sizes, High Quality kitchen gadget and dishwasher, freezer and microwave safe Our lids are perfect for bowls, dishes, plates, jars and mugs, and their versatile design enables them to stretch around any shape for an airtight seal. Made of 100% FDA approved Food Grade Silicone, BPA Free, these lids are safe for your family. Our lids are safe to use with your dishwasher, freezer and in oven up to 450 degrees. Can be reused over and over again to preserve your food avoiding wastage of aluminum foil or plastic wrap. They dont tear, leak or warp, and theyre 50 percent thicker than competing products.