Features: High-quality material: The mouth is made of food-grade silicone material, which is soft, safe, reliable, durable. Scuba-Diving Gear: Lightweight, portable, easy to set up and use. This diving regulator is the ideal diving equipment for diving enthusiasts to provide a good diving experience. EASY TO USE: Turn the gear and breathing freely without leaking. Please try it on the water before going into the water to ensure safety. After use, please wash and dry to avoid direct contact. Chin exhaust system that directs air-bubbles to the sides. Breathing is light and unobstructed, natural and smoothing. Wide range of uses: suitable for recreational diving, snorkeling, underwater production areas, underwater, fish farming. If you have any questions, please contact us 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: ABS Diameter: 8cm Length: 88cm Package List: 1 x Diving Breathing Regulator