Designed with stand-up paddleboarders in mind, this belt pack life jacket offers comfort, safety and hydration in one low-profile unit. The hydration pouch holds up to a 24oz. bottle and is easy to reach using one hand. Pull handle to inflate. Pack includes zippered pocket to hold personal items, marine whistle and tube for back-up inflation. This life vest must be manually placed around the head after inflation and is therefore recommended for competent swimmers only.Buoyancy: 22.5lb.Activation Method: ManualInflator Type: Halkey Roberts 840 ManualUSCG Type: Type V with Type III performanceShroud/Pouch Material: NylonClosure: BuckleSize: Universal size for persons 16 years of age and older who weigh more than 80lb.Service Interval: One year