8 PACK GLASS MEAL PREP CONTAINERS: Our glass containers sets (8 lids and 8 containers) size: 30 Oz, 7.8 in x 5.7 in x 2.5 in. It’s great for a variety of occasions and events: gym, leftovers, picnic, portion control, office lunches, travel, and more PREMIUM BOROSILICATE GLASS:Our glass storage containers are made from premium borosilicate glass, which is stronger than others' glass food storage containers AIRTIGHT SMART LOCKING LIDS: MCIRCO Glass food storage containers use snap lock lids that comes with silicone seals to make your meal prep food will last much longer than normal plastic food storage containers. These lids are easy to use and will stop leaking. These lids will not break or slowly stop working USER FRIENDLY: Easy to use and easy to take care of, as the glass containers can be used in the microwave, freezer, dishwasher, and oven. But the plastic lid can not be placed in the microwave and oven SPACE-SAVING: The food storage containers have stackable design, can keep refrigerator, home and kitchen organized, and leave more space on your kitchen slabs and cabinets