?3 Size for Unisex Choice?We offer size S/M/L fits for most of men and women's chest size from 36-44 inch/ 80-110 cm, and waist size from 22-40 inch/ 55-100 cm. Before perchg our inflatable lifv vests for adults, please do measure your own chest and waist size, and compare with the size chart for the most suitable size. If you are not sure which size to choose, please contact our professional customer service for help, and we will reply within 24 hours. ?Lightweight & Portable Float Vest?Flexible and not bulky, easy to fold flat for storage and super compact so it doesn't take up much space. Awesome snorkel jacket gives you confidence when kayaking, paddle boarding, wake sports, waterskiing, diving,surfing,sup and other entertainment activity on water or at the seaside. ?Fast Inflation & Deflation?With included upgraded air valve, it is easy to blow it up or or let air out of the float jacket. Just 2 puffs of air to fully inflate. Press down the valve mouthpiece, roll and squish to deflate into a compact size for easy carrying and storage. ?Easy to Put on & Take off ?Zips up comfortably and smoothly with nice robust metal zipper closure, our buoyancy assistance vest is convinient to put on and take off quickly. Big tooth zipper offers large engaging force and avoids zipper opening by itself on the bottom side. ?Adjustable Waist Belts for Perfect Fit?Designed with 2 waist belts, you could pull the belts to fit your body shape perfectly without rubbing your under arms. Snug and secure fit also prevents the flotation swimming aid vest from riding up on necks in water. Keeps you floating horizontally when out in the open ocean or reef with incoming swells and waves, even though tire out. ?Durable Inflatable Kayak Vest?Manufactured with wear-resistant TPU shell, our swim jacket offers you large capacity of buoyancy in water. The netting back is skind-friendly, soft and super comfortable to wear which doesn’t hinder your sitting back in the kayak seat. Refined machine stitching prevents our safety flotation device from leaking during use.Style: Vest,Jacket. Closure Type: Zipper. Special Feature: Inflatable. Sport Type: Water Sports. Size: Medium. Material: Thermoplastic Polyurethane. Life Vest Type: Type III. Age Range (Description): Adult. Color: Black. Brand: Abuytwo. Date First Available: July 4, 2022. Best Sellers Rank: #35,187 in Sports & Outdoors. Customer Reviews: 4.1 out of 5 stars 101 ratings 4.1 out of 5 stars. : B0B5ZL1W2H. Manufacturer: ?Abuytwo. Suggested Users: ?Unisex-adult. Model Name: ?AB4101. Warranty Description: ?Should there be any air leakage or product defect, please contact us at any time. We will refund or reship according to your preference!. Brand Name: ?Abuytwo. Package Weight: ?0.53 Kilograms. Item Package Dimensions L x W x H: ?12.6 x 9.96 x 2.56 inches. Fit Type: ?Custom. Outer Material: ?Shell. Style: ?Vest,Jacket. Closure Type: ?Zipper. Special Feature: ?Inflatable. Sport Type: ?Water Sports. Size: ?Medium. Material: ?Thermoplastic Polyurethane. Life Vest Type: ?Type III. Age Range (Description): ?Adult. Color: ?Black. Brand: ?Abuytwo.