Inner poly lining combined with our inside corner folds set the INNOBOX EDGE™ apart from other cartons. Creates a streamlined edge. Strengthens corners. Protects against leaks. Perf-ection: Tear-away flaps! Turn the INNOBOX EDGE™ into a food tray in four easy tears. The Reverse Lock Closure keeps the INNOBOX EDGE™ closed and prevent spills and messes when in transit. Hot and cold friendly. Microwavable.