Automatic inflatable life jacket, compact waist wrap. Compatible weight: Up to 440.5 lbs (200 kg), Waist: 29.5 - 47.2 inches (75 - 120 cm) (with belt strap). Uses: For working on large boats over 20 tons, small marine legal equipment, shore construction, etc. *Body classification: Work life jacket (conforming to the requirements of small marine life jacket (inflatable type). No. 91 Yes Ship Marine Classification: TYPE_A. Standard: Revised model approval standard for October 2013.