82% Nylon;18% Spandex Care Instructions Machine Wash Closure Type Drawstring,Elastic,Zipper Neck Style Square Neck About this Item • Quick Dry --- The men's swim trunks are made of polyester fabric, super easy to dry and lightweight, flexible and elastic, comfortable and durable to wear, make you dry fast in minutes after your water sport. • Unique Design --- Designed with safe and useful zipper pocket to carry keys, money or other small things, side incision of the leg vents to ensure the most freedom of your movement, this solid swimming short helps you show your body shape and create stylish looking. • Elastic Waist --- This slim swimming bathing suit features with elastic waist with adjustable drawstring, providing you the maximum comfort at waist and convenience in swimming