... .11MM TPU laminated material bladder 2. HM or UML inflation and oral tube 3. 22G CO2 cartridge, Buoyancy≥ 110N4. weight ... size, light weight, comfort, easy use and suitable for offshore operation and personal protective device. They are CEapproved by Germanischer Llyod AG ... water sensors.3. Accessories: whistle is offered for free, and life jacket lamp is available on request.Samples: Available but ...