The OXO Good Grips LockTop Container Set is airtight, stackable and space-efficient, making it easy to keep your dry foods fresh and your kitchen organized. Airtight seal with the snap on the lid, making them spill proof. Modular stacking system for optimal countertop and pantry organization. Square and rectangular shapes maximize space-efficiency. Containers are resistant to shape warping and staining. free. Set includes: • (2) 6.3 cup containers • (1) 5.5 cup container • (1) 3.8 cup container • (1) 2.5 cup container • (1) 1.7 cup container ; Microwave and dishwasher safe.