Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si (1) Bright colors, equipped with 2 sockets, can be inserted diving flags, easy to be found and searched. (2) Equipped with two and small mouthpieces, which can blow air by pinching the root of the mouthpiece. (3) One ring is equipped with a 10MM wire diameter safety rope, which can be hooked up, and can be used for emergency rescue when necessary. (4) The bottom is equipped with a threading hole, which can be tied to a diving rope. (5) 22cm diameter storage space can store personal belongings. Model: FB-973 colour: yellow Material: PVC Size: The outer diameter is about 55cm, the height is about 25cm, and the internal storage size is about 22cm Package Contents: 1 x diving buoy 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.