Craftyrific® PET glitter is made from polyester and does not dull under epoxy. We offer only the highest-quality glitter, so you can achieve the most beautiful results with your crafts! PET glitter works great to make tumblers, resin art, and much more! Why polyester glitter over craft glitter? POLYESTER GLITTER (The only type we carry) • UV RESISTANT means it won't fade with sun exposure • SOLVENT RESISTANT so your sealer won't harm the sparkle • SUPER HIGH-QUALITY material • Can stand higher temperatures than craft glitter