Sistema Ultra containers are perfect for your countertop or pantry. This premium product is made from ultra-clear TRITAN with glass like clarity. Containers are impact, shatter and stain resistant. Sistema’s clever modular design stacks perfectly for efficient storage with an airtight seal that keeps ingredients fresh. Simply place your food into the container and close the distinctive Sistema easy-locking clips to seal. This product is stackable and safe to use in the dishwasher (on the top rack), or in the fridge and freezer. Designed and made in New Zealand. Phthalate free and BPA free.