Description This handheld hard protective case delivers all round defense for your delicate valuable devices against water dust and accidental impact during travel and outdoor trips. It adopts rugged composite shell made of polypropylene and ABS, balancing lightweight portability and long term structural toughness. A built-in pressure release valve equalizes internal and external air pressure, eliminating sealing failure risks when transporting across high and low altitude areas. Three layers of removable polyurethane foam inserts are included, allowing users to freely cut and reshape inner space to hold various gadgets snugly without shaking or collision damage. It works perfectly for storing photography gear small electronics precision tools and outdoor accessories. Features Integrated weatherproof sealing structure fully blocks rainwater dust and humid air to protect internal equipment. Combined polypropylene and ABS hard shell features anti drop impact resistant performance for daily rough transport. Three removable polyurethane foam inserts support full DIY customization to match the outline of different devices. Tough reinforced latches lock the case tightly and cooperate with pressure valve to stabilize internal air pressure. Ergonomic molded carry handle offers comfortable grip for long time handheld carrying on the go. Wide compatible storage space fits cameras electronic accessories precision instruments and outdoor supplies. Specifications Overall Dimension: 27cm W × 23cm D × 10cm H Outer Shell Material: Polypropylene + ABS Hard Plastic Inner Liner Material: Customizable Polyurethane Foam Surface Color: Solid Black Core Functions: Waterproof Dustproof Shockproof Pressure Balancing Valve Applicable Items: Camera Lens Small Electronics Precision Tools Outdoor Equipment Reminder Note: No instruction manual Minor dimensional deviation of 1–3cm may exist due to manual measurement. Slight color difference may appear under different monitor screens and lighting environments. Cut the foam gently to avoid excessive waste when customizing storage slots for your equipment.