Wave and Surf Jewelry Made right here in San Diego, California, Strickly Boarding Surf Jewelry is hand crafted using the lost wax method, creating one of a kind creations just for you in Sterling Silver. All are Custom Hand Carved .925 Sterling Silver and make great gifts. Zula Surfing creates amazingly brilliant pendants of dichroic glass. Invented by NASA, dichroic glass contains multiple thin film layers made by vacuum depositing a special coating onto a glass sheet. The dichroic process creates a mirror like finish that reflects vivid colors that change with different perspectives.