TIMELESS BEAUTY, TABLEWARE POWER BRAND NO.1, Made from the world's only triple-compression Vitrelle Glass, Corelle is more durable than ordinary glass and porcelain products and has excellent heat resistance, allowing it to be used in microwave. NATURAL GLASS MATERIAL WITHOUT WORRYING ABOUT HARMFUL SUBSTANCES. Corelle is compressed in the form of a transparent glass wrapped up and down, easy to clean, and long-lasting clean and hygienic without smell of food odors. EASY TO CLEAN AND CLEAN FOR LONG USE. 2018 Corelle has won prestigious Superbrand Status.