These boxes, made in New Zealand, feature hinged locking clipstheir function doesnt rely on repeatedly bending plastic material but instead uses real hinges. This extends the products lifespan, as broken locks are a common issue with this type of container. The boxes are safe for freezing, microwaving, and dishwashing (top rack). Theyre suitable for carrying, for example, spices, nuts, mints, medication, berries or small accessories such as sewing supplies for a trip, keeping everything well organized. - Free from phthalates and BPA - Made of food safe PP plastic - The boxes are stackable