Description: 【Material】Made from quality aluminum alloy, this scuba diving backplate and single bottle adapter set is sturdy, wear resistant, and not easy to break for long time use. 【Design】The overall hollow pattern design with a frosted surface finish gives it a stylish and textured look while maintaining its lightweight yet structure. 【Easy to Wear】It features a 5MM Neoprene shoulder pad that can be adjusted to your preferred length for enhanced comfort during wear. 【Application】This product is capable of carrying large auxiliary restraint systems and oxygen cylinders, making it an ideal choice for professional divers. 【Size】Product dimensions are 39.2cmx27.8cmx0.3cm/15.43inchx10.94inchx0.12inch (backplate) and 35cmx6.9cmx0.3cm/13.78inchx2.72inchx0.12inch (bracket). The package includes 1 backplate and 1 bracket. Size Chart: backplate 39.2cmx27.8cmx0.3cm/15.43inchx10.94inchx0.12inch bracket 35cmx6.9cmx0.3cm/13.78inchx2.72inchx0.12inch Package Includes: 1 backplate 1 bracket Note: Please allow slightly errors 1-2cm differences due to manual measurement.