3 1/2 " - Buttons are what we do best! Our celluloid pinback button is constructed with a quality two piece design. May be worn on shirts, back packs, and other apparel. Distribute these to employees or hand them out to guests at trade shows and conventions. Ideal for charities and political campaigns. This simple yet effective method is the perfect way to gain exposure for your logo or message! Our classic button is proudly made in the USA.