This package of Tidal Wave frames is part of the Spectrum Sherbet Collection designed by Katie Pertiet for 49 and Market. This pack includes 36 mix and match die cut pieces, there are 12 thin chipboard frames and 24 cardstock frames and journaling layers. These pieces are made to fit 3" x 3", 4" x 4", 3" x 4", and 4" x 6" photos. These frames are designed to stack and mix or use separately. These frames do not have adhesive backings. These frames can be added to cards and scrapbook pages, photo albums, journals, planners, and other paper crafting and mixed media projects. These pieces are acid free.