Cardstock posters have both a gloss and matte finish option. Our glossy finish is a liquid coating applied to the substrate and appears to have a shiny sheen. At the same time, the matte finish seems flat dull and will drown out any glare from surrounding bright lighting. The finish is always a personal preference; however, always keep in mind the surroundings. If you are at a tradeshow with lots of lighting and plan to take pictures for social media, you may want to consider a matte finish. The matte cardstock finish will help knock down glare and allow for the highest quality photos. Overlighting is why the matte finish is always the preferred finish option for showroom settings or tradeshows.