Embellish costumes, garments, fashion accessories, home decor and other craft projects with these Acrylic jewels. Available in several rich, transparent colors in multiple shapes and sizes. The flat, foil back makes this easy to glue, and the two holes allow this to be sewn onto fabric. Wholesale Acrylic Jewels - Siam Sew-In Gemstone - Large Round, 18mm , 3/4". Flat, gold backing. Priced by the package of 144 jewels, 1 gross.