U.S. COAST GUARD APPROVED: This USCG-approved life jacket inflates manually by pulling the inflation handle. Includes a back-up oral inflation tube. Approved for users 16 years or older, and over 80 lbs. Fits 30”-52” chest SAFETY & SECURITY: The inflation handle clips to the life jacket to prevent snag hazards. The adjustable body belt, comfortable neoprene neckline and front buckle closure allows for a secure fit of the vest HIGHLY BUOYANT: Despite its slim profile, this life jacket provides 22.5 pounds of buoyancy when fully inflated, keeping you safe and afloat. Its buoyant material offers the necessary support to keep your head above water, providing peace of mind when fishing, boating, and paddling COMPACT & LIGHTWEIGHT: Designed with comfort in mind, the Onyx M-24 ESSENTIAL incorporates an adjustable strap and comfortable neoprene neckline, ensuring a secure and personalized fit. REARMING KIT: Inflatable life jackets can be reused after each inflation. Always read your Owner’s Manual for the proper way to initially arm your life jacket, and how to re-arm it after it has been inflated. Use Onyx Rearming Kit #1351 for this product. It is recommended to purchase an extra rearming kit to try out your inflatable life jacket and become familiar with its operation