Embroidered Iron-on Patch Size: Each grid square is 1 cm. Purchase here: ♡ Iron-on sheets are only for temporary adhesion, so please sew them on with thread if they don't adhere well or if they will be washed frequently. Some adhesives are weak. 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 basically by standard mail. Average delivery time is 2-7 days. Please understand that this is an imported product before purchasing. Please refrain from purchasing if you do not understand. Iron-on patch. Nike mark NIKE