The OXO Good Grips 4-Piece Mini POP Container Set is ideal for keeping dried herbs and spices fresh, neat and within reach. The push-button airtight seal and space-efficient design stack perfectly with all POP Containers. Now fully dishwasher safe, with convenient fill lines, this must-have set takes organizing to the next level. POP Containers aren’t just for kitchens, use them anyplace you want organization. For best results, always use the button to open and close. Do not carry POP Containers