Royal Marine
The Flexibuoy is mounted on the arm and blows inwards underwater to provide buoyance, and is available in 400 ml , 800 ml and 1500ml sizes. 400ml: Weight 72.7g, Length 15cm, Diameter 7cm. 800ml: Weight 81.6g, Length 15cm, Diameter 10cm. 1500ml: Weight 90.5g, Length 20cm, Diameter 10cm.