Dritz's Flat Flower Head Pins are a must-have tool for any quilter. They are a wonderful pin for holding materials together and they are heat resistant so you can iron over them without damaging your fabric. They are also easy to use because they have a large flat head and a reusable plastic case. Each package of Dritz's Universal 2" Flat Flower Head Pins contains 50 assorted color pins that measure 2in long.