Custom 3.5 Inch Round 1-Piece Buttons will make your message well spotted! Invest in this 3 1/2" innovative one piece celluloid button that features a metal shell that doubles as the backing and a full safety pin attachment; these round shaped buttons will make your employees and clients stand out during events and campaigns; customize with your logo and text to make it unique. Order these round custom buttons right now to get free design, free online proofs and best price guarantee offers. Request a quote to know wholesale savings for these Custom 3.5 Inch Round 1-Piece Buttons.