Emotionally Unavailable You’ll be teasing ’em like you do in these Heart of Glass Iridescent Belly Jewels! This color-shifting jewel set will have you wearing your heart on the outside and looking good doing it. Great for accessorizing outfits for parties, performances, or festivals! Super Simple Iridescent Belly Jewels To apply Heart of Glass Iridescent Belly Jewels, peel off the adhesive backing and press into clean, dry skin. Jewels are designed for one time use.