70% polyester fiber, 30% viscose fiber Button Closure Slim Fit Occasion: Party, Prom, Wedding. Washing instructions: Hand wash is recommended. Dry cleanable. Do not bleach, Hang to dry and iron on low heat. Notice: Due to different measuring equipment and methods, the size data will have an error of 1-3cm. Features VAWAN Men's Slim Fit Vest is made from premium anti-wrinkle fabric for comfort and breathability. In addition, the solid color classic design is suitable for most occasions. The size is European, if you like a looser fit, it is recommended to choose one size larger. VAWAN Men's Vest, Solid Color Business Wedding Slim Suit Vest