The OXO 4-Piece Mini POP Container Set includes four, 0.2 Qt Containers, perfect for keeping dried herbs and spices fresh and organized Dishwasher-safe construction and space-efficient design stacks perfectly with all POP Containers and can be customized to fit any space Push the button to engage the airtight seal. The button doubles as a handle for the lid. Use Mini POP Containers anyplace you crave organization: desk drawers, junk drawers, bathrooms or playrooms For best results, always use the button to open and close. Do not carry POP Containers by the lid BPA free. Top-rack dishwasher safe