Plexyglass, lucite, acrylic, acrylic glass, persplex are all trade names for this outstanding product that is so strong and durable, harder than plastic, shiny like glass! The creative ideas are endless when it comes to creating something so spectacular and unique... a for sure statement ring! Embellished with the most famous Austrian Swarovski Elements called Xirius 1088. They shine 2.5 time more than Swarovski's originial crystals. LOVE EM!