Features: Experience the fun of diving, but what should I do if I want to dive in the sea without professional equipment? Diving free breathing equipment provides you with a better diving experience! The first-stage rotatable valves head can effectively prevent the medium-pressure pipeline from being wound and damage, and effectively reduce dangers. Equipped with a mastering valves control switch, open to keep the valves when inflating and breathing, and close the valves to avoid air-leakage when it is not used up. Wide range of uses: suitable for recreational diving, free diving, deep and shallow spare cylinders. Suitable for both beginners and professionals. Backrest design, easy to carry. Great Gift: This diving equipment set is a great gift for snorkeling enthusiasts on Christmas, Thanksgiving, birthdays and other festivals. If you have , please in time. We will provide you with better products and services. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Aluminum 6061-T6 Capacity: 2.3 L Package List: 1 x Brass primary valves + plastic secondary valves + pressure extension gauge 1 x 2.3 L cylinder 1 x Backrest 1 x diving mask 1 x Silicone Halter 1 x Tube Scuba-Adapter 1 x Aluminum Box Packaging