Features:The vests are just buoyancy aids not professional life jackets so they can not prevent drowning please dont depend on them completely. Please check and inflate it before use please stop using it immediately if there is a problem.You can give the jackets to your family members friend relatives colleagues classmates and neighbors who love swimming on Christmas Halloween Thanksgiving Day New Year or other special days and they will be delighted after receiving the gift.Specifications:Main material: polyester PVCMain color: fluorescent green and blueSize: as pictures showPackage includes:2 x swimming vestsNotes:Manual measurement please allow slight errors on size.The color may exist a slight difference due to different screen displays.