• Pressure relief valve • Humidity indicator • Molded-in, tongue-in-groove gasketed parting lines for splash resistance and tight seals • Reinforced corners and edges for additional impact protection • Eight comfort-grip Handles • Pelican's patented Comfort Grip Handles • Recessed hardware for extra protection • Positive anti-shear locks, which prevent lid separation after impact, and reduce stress on hardware • Molded-in ribs and corrugations for secure, non-slip stacking, columnar strength, and added protection • One-piece construction, molded from lightweight, high-impact polyethylene