·Airbag Fabric: Ease, buoyancy high, adaptable, and the loss is less than 5% when it immersed in water for 24 hours after the buoyancy.

·Buoyancy Design: It is more convenient for you to float safely in the water, buoyancy stronger and buoyancy≥150N that can withstand 100KG weight of adults.

·Safety Elastic Buckle: Elastic self-regulation is suitable for all kinds of arm thickness of the crowd.

·Survival Whistle: Comes with high-quality metal high-frequency survival whistle sound range≥500m.

·Locate the Direction: Equipped with a compass, so that people can be rescued in the vast waters to quickly locate the direction.

Specifications: 

Single size (non-inflated): 4.3x2.6x1inches

Packing size: 6.1x4x2.5inches

Single weight (without gas cylinders): 168g / 0.37 lbs

Gas volume: 5.89 l CO2

Buoyancy: 57.87 Newton

Note:

Due to the shipment safety issue, the cartridges are not included. 

We are really sorry for the inconvenience to you. Thanks for your understanding!

You could buy the cartridges on your own according to the specification as follows:

Specifications: (thread 3/8" diameter, 24 threads / inch) 16g, co2 cartridges.

Please screw the CO2 cartridges before wearing.