Promotional 31cm Clear & Onyx Black Optical Crystal Slope Award with Silver Star The combination of materials used makes a unique and stylish award that is sure to be displayed with pride. There is a large engraving area for your crest logo or text. For even more impact add 2nd position infilled engraving onto the onyx black crystal or add colour to the clear crystal with our low fire colour print technique. The award is available in three sizes 26cm 28cm and 31cm and each is supplied in its own foam lined presentation box.