I truly think I may just start yelling this in crowded situations! Materials: This iron on patch is made of felt. It has an iron on backing. Size: It’s approximately 4” wide. Packaging: Each patch comes packaged in a clear bag. Disclaimer: This patch is too large for hats and will not stick well to one. All of our products are intended to be sold as is to your customers, not used to embellish your products to be sold as your own creation.