40 PIECE SET includes 20 containers with 20 lids. Store and transport entrees and soups confidently with our revolutionary snap-lock containers. Also great for small arts and crafts supplies like beads. LEAKPROOF 4-hinge locking system forms an airtight, watertight seal between container and lid. Never endure spilled food in your lunch bag again. Translucent design allows easy identification of contents. 10 SIZES fulfill all your storage needs. Includes (2) 33.8 oz rectangular containers; (3) 28.4 Oz rectangular containers; (2) 23.6 Oz round containers; (2) 18.5 Oz rectangular containers; (3) 11.8 Oz rectangular containers; (1) 10.8 Oz rectangular container; (1) 10.1 Oz round container; (1) 8.1 Oz rectangular container; (1) 8.1 Oz round container; (4) 1.2 Oz dressing cups. FDA APPROVED polypropylene plastic contains no BPA, phthalates or other toxins to leach into food. Fullstar Containers are refrigerator, freezer, microwave safe (base only, NOT lid, under 5 min, under 700 Watt,*for at least half-full container). Fullstar Food Storage Containers make efficient use of every inch of your home kitchen because they are stackable and nesting. Customer Satisfaction is our top priority. Fullstar insists on the highest quality materials and manufacturing processes to bring you superior kitchen accessories. We confidently offer a Money Back Guarantee on our Food Storage Containers. In the unlikely event that they do not perform as promised, return them for a 100% refund of your purchase price.