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 well or if you're attaching them to items that are 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. ♡ Shipping ♡ Shipping is generally via regular mail. Average delivery time is 2-7 days. Please purchase with the understanding that this is an overseas product. Please refrain from purchasing if you do not understand. This is an iron-on patch. Nike mark NIKE