This patch is the perfect addition to your backpack, jeans, hat or galactic uniform. Add fun to your clothes instantly and complete your Star Trek Klingon costume. Iron it on and you're done! This patch is 3 inches wide and 2.5 inches tall.Please contact me with any questions. Happy shopping... I mean.. live long and prosper.Each adorable patch has heat-n-seal on the back making it easy to iron on to your favorite clothing or bag. My embroidered patches can also be glued or sewn onto garments if you prefer. The pictures are of actual patches.