10 white EPS Polystyrene HEARTS. Hearts are approx.10" or 12" in diameter and 2” thick. Our forms are made from the highest quality 1 lb. Virgin EPS Polystyrene foam. Perfect for all your Floral Designs, Party Decorations and Craft Projects! Quick and easy to use for any craft project. Foam has smooth surface, easy to tape, glue, glitter, stick or wire decorations to. This EPS foam easily and tightly grips floral stems, picks, fabrics, pins and other decorations. It is much easier to work with than the hard extruded styrofoam hearts. Can be painted with water-based craft paints. Use low temp glue or white craft glue.