Made from fda approved food grade silicone, lightweight, portable, and commercial dishwasher safe, mecc are the perfect coupe cocktail glass for indoor/outdoor events and entertaining. These 300ml/10.14oz durable silicone cocktail glasses are also safe for use from -20 to +110 degrees celsius (-4 to +230 degrees Fahrenheit), making them ideal for family friendly activities. Designed for picnics, beach days, poolside, camping, boating, concerts, festivals and more, mecc are the ultimate stylish and sustainable coupe glass for every occasion.