High quality borosilicate glass container with tempered glass lid. Better for the environment - help cut back on single-use plastics. Made with a 100% airtight seal. Lid secures with locking clips. Stain and odor resistant design. Nesting space saviing storage. Purchase supports Feed the Children. Containers are microwave oven freezer and dishwasher safe. Includes: (1) 1.6 Cup Small container with lid. (1) 2.7 Cup Medium container with lid. (1) 4.4 Cup Large container with lid. (1) 6.3 Cup X-Large container with lid.