Polycarbon Multipurpose box protects against moisture, dust, dirt, and sand; great for boating, kayaking, fishing, and more Rubber key clip and strap attachment point; O-ring closure for a watertight seal Made from shatterproof translucent polycarbonate; small size measures 3.25 x 5.25 x 6.75 inches with 840 ml capacity Not intended for climbing, load-bearing use, or full submersion Backed by a manufacturers 1-year limited warranty