Hero Foam is a unique closed cell EVA foam created especially for costume building. Create body armor pieces that are light weight and flexible. Hero Foam features smooth, shapeable, dual-side surfaces ready for your imagination! When shaping with heat or if using with paints/glues/adhesives, be sure to do so in a well-ventilated area. Hero Foam shapes with heat, does not need to be primed before painting, layers beautifully and reacts well to shaping & tool use (Dremel, heat gun), Hero Foam can be used to fuse fabrics and textiles for a unique finish. Washable/Dry Cleanable. Safe for all digital and die cutting machines. Shrinks slightly when exposed to temperature above 140 degrees F.