SPACE SAVING AND LIGHTWEIGHT: Half the space and half the weight of traditional ceramic tableware - Corelle Vitrelle is ultra flat and easy to stack. DURABLE: Our unique triple layer tempered glass is resistant to splinters and cracks and 3x as durable as traditional ceramic dishes. Stackable: thanks to the flat profile of Vitrelle it can be easily stacked in the cupboard and in the dishwasher. Extra hygienic: Vitrelle technology uses only natural materials to create a three-layer, thermally bonded glass surface that is durable, naturally non-porous and particularly hygienic. Suitable for all kitchen tasks: safe to use in the dishwasher, microwave, refrigerator, freezer and preheated oven (up to 175°C).