Reliable Material: the swim vest is made of quality polyester and PVC materials, featuring with high air tightness, safe and sturdy to use, it is also lightweight and portable, designed in yellow, rose red, black and blue, ideal for water activities Easy to Inflate: the kayaking jacket is easy to inflate, just press and hold the valve cover to inflate the air inside the jacket, release the cover and return to the locked state; It is not a professional life vest and cannot prevent drowning, so please do not rely on it completely Adjustable Straps Design: the swim vest for adults is designed with adjustable straps at the waist and crotch parts, allowing you to adjust the length according to your body shape through the safety buckle, is suitable for most adults; With easy release buckles for quick removal Wide Range of Usages: this inflatable safety vest is ideal for most water activities, such as swimming, water motorcycling, boating, kayaking, surfing, etc., ensuring water safety, avoiding accidents and enhancing your confidence in the water Sufficient Quantity and Compact Size: you will receive 4 pieces of portable swim vest jackets measuring approx. 24 x 18 inches/ 61 x 45 cm when deflated, can be folded into a small volume for convenient carrying and storage, will be a nice choice for outdoor activities