1. Nylon oxford+TPU, waterproof 2. Buoyancy: 150N 3. Weight: about 0.8kg 4. Duration: more than 24h 5. Buoyancy loss less than 5% after 24h 6. With solas reflective tapes, 33G Co2 cylinder/bobbin, whistle 7. Product validity: 3 years 8. Warranty: 1 year. Adjustable belt for adult.
