HC-5021 waterproof hard case with precut cube foam Interior Size (with foam): 20.12x7.36x4.45 inch /51.1x18.7x11.3 cm | Interior Size (empty case): 20.67x8.11x4.57 inch / 52.5x20.6x11.5 cm Case is made of new instead of recycled Polypropylene resin to ensure ruggedness SGS certified IP67 watertight guarantees safety in harsh environment with water, dust, mud, sand, etc. 2 pieces of foam can be easily configured by tearing along the shape's boundaries and removing the foam to fit the object 9 features of the case make it stand out when comparing user experience with other cases quality and lifetime limited warranty for the case