Meooeck 2 Pcs Snorkeling Vest For Adults Safety Inflatable Snorkel Vest For Swim What You Will Get: the package comes with 2 pieces of vests in blue, which measure about 24.02 x 17.72 inches/ 61 x 45 cm, suitable for adults and kids to use when swimming Quality Materials: the adult safety jackets are made of quality polyester fabric and PVC material, sturdy and reliable, not easy to wear or tear even after long term application, able to serve you for a long time Adjustable Waist Strap: the safety jacket is designed with latch straps and pinch buckles, convenient for you to adjust to fit your waist and simple to put on and take off, suitable for most adults to wear Fast Inflation and Deflation: just fully inflate the safety vest for adults through the convenient mouthpiece location, without the need of excess air, and it will lock automatically, saving you time and effort Warning: the vests for adults are just swimming aids, not professional safety jackets, please don't depend on them completely; Please check and test it before use, and please stop using it immediately if there is a problem