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.