The fabric appears to be attached to a particleboard substrate. The outside of the box says "so easy to do...Kit is complete and contains panel covered with imported grasscloth, imported tiles, beads, braid, colored stone, sparkling, colored glass and sequins, glamorous jewels - all necessary materials to work with, plus easy-to-do directions." Of course the directions don't say what kind of adhesive was included. I'm sure it was something highly toxic and likely illegal now.
The only references to glue in the instructions say to allow the glue to dry for about a minute before placing the braid on it. Later, it says to apply the glue along the edges, fill the center, then use a spatula to spread it evenly, about the thickness of a dime. After pouring the glass bits to the glue, I'm supposed to give it 5 minutes to set.
Hope this helps! I'm prepared to get epoxy if I have to, but I'm not crazy about the idea of mixing thing with potentially toxic fumes!