Exterior Size (LxWxH): 18.7 in x 14.8 in x 7 in (475 mm x 376 mm x 178 mm) Interior Size (LxWxH): 17 in x 11.8 in x 6.4 in (432 mm x 300 mm x 163 mm) Volume: 21 L Weight (Empty): 6.2 lb | 2.8 kg Lid Depth: 2.1 in | 53 mm Base Depth: 4.3 in | 108 mm Temperature Range: Min -20?F (-29?C) | Max 140?F (60?C) Max Buoyancy: 53 lb | 24 kg Padlock Holes: 0.34 in | 7.62 mm Material: Lightweight NK-7 resin Warranty: Lifetime warranty & 30-day satisfaction warranty Airline Carry On: Yes Built to organize, protect, carry and survive tough conditions, the NANUK 925 waterproof hard case is impenetrable and indestructible with a lightweight tough NK-7 resin shell and PowerClaw superior latching system. With NANUK*s exclusive locking and latching system, your case stays shut and secured until you are ready to open it.