VEVOR Manual Inflatable Belt Pack for Adults, 105N Buoyancy, Over 80 Pounds and Up to 59 in Waist Adjustable, Inflatable PFD Waist for SUP Paddelboarding, Kayaking, Gray (CO2 Cylinder Not Included)Security FirstSurround BuoyancyComfortable & Custom FitEasy to UseVersatile Application105N High BuoyancyProduct Material: TPU, 400 D Nylon Oxford Protective Cover, Breathable Mesh Fabric,CO2 Cylinder Inflation Buoyancy: 100N,Color: Gray,Item Model Number: CQYD/I-100N,Alternative Inflation Method: Mouth Inflation Tube,Secondary Mouth Inflation Buoyancy: 105N,Item Dimensions: 19.69 x 4.13 x 2.17 in/500 x 105 x 55 mm,Net Weight: 0.82 lbs/0.37 kg,Waist Size Range: 22.5-59 in/571.5-1498.6 mm,Suitable Weight for Users: 330 lbs≥T≥80 lbs (150 kg≥T≥36 kg)