Constructed of extra strong vinyl coated nylon mesh, edges bound and double stitched with nylon binding. This vest is a pull over with adjustable straps on each side with side release nylon buckles. 4 x 18 3M Scotchlite Reflective Material panel with title on front and back. Designed with our standard high quality workmanship. Lime green 3M Scotchlite Reflective Material used on all colors of mesh. Wt. 10 oz. Dimensions: 22L x 19W. Made in the USA. LARGE The large is made of the same high quality materials and is available in the same colors and title options, it is simply 6 longer and wider. 28 L x 25 W WINDOW OPTION This vest is designed for an On the Scene need of special title it has a 6 x 15 window with a lime green poster board insert that can be removed and the special title printed on it. This window replaces the standard 3M Scotchlite Reflective Material panel. All other specifications remain the same including the pricing. Available in all colors. Dimensions: 22L x 19W. Made in the USA.