One lid slightly cracked. This Snapware® set is made of Pyrex® tempered glass, which is safe to use in both the microwave and oven. The lids are airtight to keep food fresher longer, yet are easy to put on and take off. Plus, you can write on the lids to eliminate the guesswork of what's inside. Then, erase the lid and reuse. Includes: 2- 1-cup small round containers with lids 2- 2-cup small rectangular containers with lids 2- 4-cup medium square containers with lids 2- 4-cup medium round containers with lids 1- 6-cup large rectangular container with lid Features: Airtight, leak-proof lids with 4 locking tabs Stain-resistant tempered glass containers are microwave, oven, refrigerator, freezer & dishwasher safe Space-saving, nestable design Write + Erase lids for easy labeling of contents BPA-free Refrigerator, freezer, microwave & top-rack dishwasher safe