SmartLock? system features a tight, audible click closure that helps ensure maximum food freshness. Wide temperature resilience range (20�F to 180�F) enables placement in freezers and heated display cases. Smooth front panel makes sticker-labeling easy. Strong, rib-reinforced sides and back accommodate heavy items and provide enhanced crush resistance. Break-resistant hinge is flexible enough for easy closure and reliable enough for repeated openings and closings. Food Container Type: Carryout; Material(s): Plastic; Capacity (Volume): 49 oz; Color(s): Clear.