Embroidered Iron-on Patch Size: Each grid square is 1 cm. ♡ Iron-on sheets are only for temporary adhesion, so please sew them on with thread if they don't adhere or if they will be washed frequently. Please understand. How to apply: Place a pressing cloth or parchment paper over the patch and iron on medium heat for about 5 seconds (check after it cools). Polyester and dry-fit fabrics are not suitable as they may leave iron marks. ♡ About Shipping ♡ Shipping is generally via regular mail. Average delivery time is 2-7 days. Please purchase with the understanding that this is a foreign product. Please refrain from purchasing if you do not understand. This is an iron-on patch. Nike mark NIKE