Twist lock document holder. Body composed of ABS plastic with polycarbonate twist off cap. Ideal for storing and retrieving documents in a pinch. Smoke tinted cover allows content visibility with cover on. Ergonomic designed, water resistant cover with braided wire cord attached to base. Interior retention spring helps hold paperwork in place. Can be easily mounted to the exterior of a tractor, trailer, RV, etc. Approximate dimensions = 6” x 5 1/4” x 2 1/4” Interior dimensions = 3 3/4”x 1” Approximate net weight = 6 oz