Includes 10 nesting bowls: 1 ounce, 2 ounce, 4 ounce, 6 ounce, 10 ounce, 1/2 quart, 1 quart, 1- 1/2 quart, 2-1/2 quart, 3-1/2 quart;Duralex is 2-1/2 times more resistant to breakage and chipping than normal glass;Duralex can also withstand sudden thermal shock: from -4?F to 212?F;Duralex glass is very hygienic: It is non-porous and does not absorb liquids, colors or flavors;Dishwasher, fridge and microwave safe. Products maintain the original look for years