The design possibilities are endless! The Jewelry Design® Ring Blanks value pack features 21 ready-to-decorate rings in 3 different colors: silver, antique silver, and hematite. These adjustable rings measure 19mm and have flat surfaces perfect for adding some flair and sparkle with rhinestones, beading and more. The silver rings feature a square-shaped, flat surface while the antique silver and hematite rings feature circle-shaped, flat surfaces. 21 pieces per package.