Product Name: Adult Automatic Manual Inflatable Pfd Life Jacket Life Vest Survival Swimming Boating Fishing 150n Buoyancy 33lbs Model NO.: ST-150-1 Certification: CE, RoHS, CCS Material: PVC Type: Life Vest Suitable for: Adult Using Field: Water Application: Professional Equipment Outdoor Activity: Drifting Age: >8 Years Filling Gas: CO2 Designed for: Adult Children Kids Advantages: Lightweight Portable Trademark: Seatouch Transport Package: 20cm X 20cm X 10cm (7.87in X 7.87in X 3.94in) Specification: 20cm x 20cm x 10cm Origin: China HS Code: 6307200000 Product Description Adult Automatic Manual Inflatable PFD Life Jacket Life Vest Survival Swimming Boating Fishing 150N Buoyancy 33lbsQ:What is the difference between manual and automatic model?A:Manual need to be pull lanyard to make life jacket inflate, but automatic can be inflated itself when merged into water,also can inflate by pull lanyard FLOATTOP Adult Automatic Manual Inflatable PFD Life Jacket Life Vest Survival Swimming Boating Fishing 150N Buoyancy 33lbs150N(33lbs) BuoyancyNEED TO Equip 33 gram co2 gas cylinderBelt Maximum length :130 cm Chest Size:30"-52"CE Certificate& SOLAS AprrovedLightweight & durable fabric