สถานที่กำเนิด
Jiangsu, China
Manual operation
Manual pull device fills the airbag in 3-5 seconds
Automatic
enters the water for 3 to 5 s and the air bag automatically inflates
Design
Chinese classical style
Loss of buoyancy
more than 24 hours
External material
400D waterproof Oxford cloth
Airbag material
210D nylon cloth