These will be seen! The inside red square, which is outlined in black, shifts color with your body movement. The surrounding red square remains deep red. Kathy Seff has been designing cufflinks since 2004 when her bold, never before seen designs popped on the market and were gobbled up. These to are one of a kind design. Yes that's correct the only ones ever made! Glass measures appx. 5/8" square. Signed by artist, and arrives in navy insignia box so they are ready to wear or give!