Many storage containers may look similar, Lock & Lock developed a new concept for an interlocking system on all four sides. Now Lock & Lock goes further with the Bisfree range designed to store even more efficiently, as well as being BPA-free, and at home in the freezer, dishwasher or microwave. Product Details: Lock and Lock's patented four-hinge locking system with a silicone seal ensures the container is 100% liquid and airtight, keeping food fresher for longer Having passed 3 million times of a hinge working test, the flexible and durable hinge remains tight after repeated use Low permeability factor of containers ensures food stays fresher for longer than other brands Impact, scratch, heat and stain resistant material ensures the containers are long-lasting and also ideal for transportation Stackable, space saving design is ideal for storing foods and keepings the kitchen cupboards and fridge neat and tidy
