Promote your cause with our 2.5" x 2.5" square custom pin-back buttons! The most durable and functional buttons in the industry, we have over 35 different custom button sizes and styles to choose from. No set ups, no minimums and same day turn around available, these affordable buttons are perfect for fundraisers, political campaigns and charities. An effective marketing tool, add a custom imprint and hand them out at your next tradeshow or convention!