Specifications
Oral tube for life jacketwith pressure senitive valve inside, and cap to cover the open side.
Oral tube for life jacket
It is made of TPU plastic, no harmful to human body.
inside the tube, have a gas pressure valves, when blowing air into the tube, the valve will be open under certain pressure. but the air can't be leak out the valve from inside of life jacket.
Diamension of the tube: 170mm x 15mm