Cavallini & Co. Periodic Elements Chart Decorative Wrap measures 20" by 28". Reproduction of a periodic element chart printed on fine, high quality Italian laid paper. This chart resembles a chart you might see in an old classroom. Ready to hang, cut up for collage and other projects, frame, or be used for impressive gift wrapping. Cavallini & Co. Decorative Wrap is a favorite of visual journalers, card makers, and crafters- the papers are wonderful for cutting and gluing as embellishments.