... , color: transparent 3 ISO 2001 passed 4.OEM acceptable. NamePyrex food containerMaterial High Borosilicate Glass Featuresheat-resistant, Green, Easy to clean ... Excellent resistance to water, acid, alkali, corrosion; can't absorb food odor 3 Heat-resistant can reach over 120 degree, never ... thermal conductivity; saving energy7 Stain-resistant, easy-to-clean glass food container four sets