Transparent Impact-Resistant Lock Box

Measures 20.0 x 10.3 x 3.5 cm internally. Manufactured from high-grade ABS plastic selected for its exceptional impact resistance and long-term dimensional stability under environmental stress — including intense UV radiation, torrential rain, and saline atmospheres. Provides consistent protection against incidental water spray and airborne dust. Entire casing is optically clear for immediate content recognition without unlocking. Secured by a precision-engineered, field-resettable 4-digit mechanical combination lock — fully operational without batteries or charging. Bundled with a detachable steel wire for versatile carrying or anchoring options. Validated across real-world scenarios: securing gear during canyoning descents, protecting travel documents in unfamiliar accommodations, and safeguarding daily essentials in shared spaces like offices or gym lockers.