Pyrex glass is dishwasher, refrigerator, microwave and pre-heated oven safe. Pyrex glass is proudly made in the USA. Non-porous surface does not absorb food odors, flavors or stains. BPA-free plastic lids are refrigerator, microwave and top-rack dishwasher safe18-pc. set includes:(2) 2-cup round bowl(s) with lid; 4.5x2"(2) 4-cup round bowl(s) with lid; 5.6x2.5"â(1) 7-cup round bowl(s) with lid; 6.8x3"(1) 1-cup round bowl(s) with lid; 3.5x1.7"(2) 3-cup rectangular bowl(s) with lid; 7.1x5.1x1.6"(1) 6-cup rectangular bowl(s) with lid; 8x6x2"# Pieces In Set: 18Features: Transparent, Dishwasher Safe. Care: Dishwasher Safe. Country of Origin: Made in US