The LocknLock Classic Plus food storage range features durable BPA?free plastic and the signature 4?sided locking system, these containers provide an airtight and leak?proof seal. The smart upgrade to the beloved original LocknLock Classic Plus range offers clear bodies for easy identification of contents and a stackable design to save space in your fridge or pantry. Microwave, freezer and dishwasher safe for everyday convenience. For domestic use only.