Material: Solid Iron Steel & Brass. Finish: Copper Antique (As shown in pictures). Lens: Magnifying lens on front window only. 16″ x 12.5″ x 17 (40 x 32 x 42 cm). Model: Mark V Vintage Replica. Use: Ideal for home, office, desktop, and tabletop decoration. Packaging: Secure single-piece export-quality corrugated packing. Please note: This is a replica decorative piece and not suitable for actual diving use.