The Connelly SUP inflatable belt pack is perfect for stand-up paddle boarding. The compact belt style is very comfortable and stays out of the way of your stroke. Simply pull on the tab to activate the included CO2 cartridge to inflate the bladder. Zippered storage pocket carries essentials in this belt pack. 1-1/2" adjustable webbing belt with side release buckle. Air mesh comfort pad on back area of belt. Inflatable belt fits 30"-52" chest. For persons over 80 lbs. Not approved for children under 16 years of age.