Corelle? dinnerware’s unique composition of three (3) heat-strengthened layers of glass. More specifically, we make Vitrelle? by laminating a top and bottom layer of clear skin glass to a core center layer, which creates dinnerware that’s lightweight but strong, thin but nonporous.Eco-friendly: Vitrelle?-unique composition of three (3) heat-strengthened layers of glassWARNING:- DO NOT USE ON STOVETOP, under a broiler/griller, under a microwave browning element, in a toaster oven, or on or near any other direct heating source such as range heat vents, pilot light, open flames, etc.- AVOID SUDDEN TEMPERATURE CHANGES. DO NOT add liquid to a hot item, place a hot item on a wet surface, or handle with a or cold cloth. These sudden temperature changes may cause the item to break or shatter.Handle hot items with a dry cloth or potholder.- DO NOT use to microwave popcorn or to hold or support popcorn bags, microwave convenience foods with special browning wrappers, etc. Some convenience food packaging is designed to heat rapidly in a microwave oven and may cause breakage.- DO NOT heat an empty vessel in a microwave oven. It may become too hot to handle, crack or break.- DO NOT heat a small amount of food in larger dish in a microwave oven. It may become too hot to handle, crack or break.- DO NOT overheat oil or butter in microwave. Use minimum amount of cooking time.- DO NOT use or repair any item that is chipped, cracked, or severely scratched.Damage items may break or shatter without warning- DO NOT abuse by dropping or hitting against a hard object.- DO NOT use abrasive cleanser, scouring pads, or any object that will scratch items- Place stoneware items on dry placemat or tablecloth to avoid scratching Types of Plates & Bowls : - Sauce Plate 12cm / 1105553- Butter Plate 17cm / 6003887- Pasta Bowl / Pasta Bowl 21cm / 6017639- Luncheon Plate 21cm / 6003880- Rim Soup Bowl 21.6cm / 6017636- Dinner Plate 26cm /6003893- Serving Platter 32cm / 6003110- Ramekin 177ml / 1069272- Dessert Bowl 296ml / 6003899- Rice Bowl No Foot 350ml / 6017640- Medium Bowl 450ml / 1104108- Cereal Bowl 500ml / 6003905 - Noodle Bowl 900ml / 1032595- Serving Bowl 1L / 6003911- Serving Bowl 2L / 6020977- Divided Dish 26cm / 1056533- Pie Plate Deep Dish 22.5cm / 1057556- Stoneware Mug 330ml / 6022022Sizes of Bowls & Plates :D = Diameter H = Height Sauce Plate 12cm : 12cm D, 2.5cm HButter Plate 17cm : 17cm D, 2.5cm HSoup Plate / Pasta Bowl 17cm : 17cm D, 3cm HPasta Bowl 21cm : 21cm D, 4cm HLuncheon Plate 21cm : 21cm D, 2.5cm HRim Soup Bowl 21.6cm : 21.6cm D, 3.5cm HDinner Plate 26cm : 26cm D, 3cm HDivided Dish 26cm : 26cm D, 3cm HServing Platter 32cm : 32cm D, 3.5cm HRamekin 177ml : 10cm D, 5cm HDessert Bowl 297ml : 14cm D, 4cm HCereal Bowl 500ml : 16cm D, 5cm HNoodle Bowl 900ml : 16.5cm D, 8cm HServing Bowl 1L : 22cm D, 7cm H