The Gypsy Quilter Cool Pins in Bohemian Blue come in a set of 50, perfect for any skill level. With their colorful and easy-to-spot pinheads, they are ideal for all ages. And at only .5 mm thick, these sharp and fine stainless steel and nylon pins will not damage your finished projects. Plus, they are resistant to heat up to 350 degrees Fahrenheit, allowing for easy ironing without any melting or burnt fingers. The pins come in a reusable storage box.