Discover the famous fegg unbreakable glasses by Porter Green, the world leaders in silicone drinkware. Made from fda approved food grade silicone, lightweight, portable, and commercial dishwasher safe, fegg are the perfect unbreakable tumblers for indoor/outdoor events and entertaining. These durable silicone cups are also freezer, oven, and microwave safe, making them them ideal for family friendly activities. Designed for picnics, beach days, poolside, camping, boating, concerts, festivals and more, fegg are the ultimate stylish and sustainable outdoor glasses for every occasion. Colour every experience with tanzanite + amethyst fegg by Porter Green. Key features include: • unbreakable tumblers • set of two as shown • 350ml | 12 oz each • portable | lightweight • reusable | sustainable • odourless | flavourless • commercial dishwasher safe • fda/lfgb approved food grade silicone • safe for use from -20 to +110 degrees centigrade