Protective Case Overall Length 20-1/2 In. Overall Width 20-1/2 In. Overall Depth 19-1/4 In. Load Capacity 30 lb. Inside Depth 18 In. Inside Length 18 In. Inside Width 18 In. Lid Depth 4 In. Bottom Depth 12-1/2 In. Material Copolymer Polypropylene Volume Capacity 3.38 cu ft. Color Black Weight 24 lb. Latch Double Throw Mfr Series 340 Features Automatic Pressure Equalization Valve Comfortable Rubber Over-Molded Handle O-Ring Seal