Square food containers with an airtight seal to keep pantry, fridge and freezer items fresh Built-in leak-proof seal* for mess-free storage; ideal for taking with you on the move Stackable and nestable design for compact and efficient space saving Safe to use in the dishwasher (on the top rack), the microwave (without the lid), or in the fridge and freezer Designed and made in New Zealand, phthalate and BPA-free