Poster Board Variety Pack, Assorted Primary Colors is a combination of 2 sheets of color coated Poster Board, same color en either side.The colors are: red, black, yellow, dark blue<-strong>. A special smooth coating is applied on each side of the Poster Board surface to create a product that can be used twice. Royal Brites Poster Board has unique features that differentiate our product from the competitor's: UV resistance, the color will stay the same for longer periods of time, water resistance, prevents the inks from washing out, ink, marker and pen receptivity, the inks and marker will be easily absorbed in the coating and will stand out.Use the Royal Primary Colors Poster Board with a foam board sheet as a display board. Create photo display boards, create a poster, attach letters, shapes and pictures to it. Great for announcement boards and various posterboard projects, outdoor signs, sidewalk signs, indoor signs and signage. Other posterboard ideas: mount Royal Brites Poster Board on a foam board or corrugated board and use our adhesive borders to link the two at the top. You can then flip the posterboard on either side and use both sides, double the color, twice the space. You can use it the same way with our corrugated tri-fold presentation board to create a professional display board or a poster presentation board. Make a Poster Board collage, use it for an eye-catching science project, for any school or kindergarten project or school presentation, student of the month or students' corner displays, business presentations, etc. For Poster Board ideas, see our recommendations in the Ideas section. Decorating a Poster Board has never been easier with our Royal Brites Project Works Poster Board accessories line, consisting of markers in 2 Cool Fluorescent Neon colors, adhesive and removable Poster Boardorders, lacing borders, letters and numbers in paper vinyl black, white and Fluorescent Neon colors, stencils and shapes etc. Look for Royal Brites Project Works posterboard accessories.