Comfort grip, heat resistant, 50 piece. Taylor Seville original notions makes your sewing life easier. The comfort grip Magic Pins Applique are 1" and .66mm. They have a comfort grip head that makes picking up and maintaining a grip on the pin easy. The comfort grip Magic Pins are also heat resistant, so if you iron over them, they will not be ruined. The pins come in a designer store case that closes, so you won't lose any pins.