This 12" x 12" Solids Variety Pack is part of the Sweet Sunshine Collection from PhotoPlay. This paper pack is also part of the My Colors Cardstock group and includes eight double sided sheets of paper that are core dyed. These solid colors coordinate with all the other products (sold separately) in this collection. This paper is 216 gsm or 80 lb weight which is medium-weight cardstock. The colors include fireflies, ocean side, coral rose, and orange sherbet. These papers can be used for cards, scrapbook pages, tags, die cuts, and other paper crafting projects. This paper is both acid and lignin free