Method of using iron： 1.Put the patch in the position you want to stick, the hot melt adhesive side must be on the clothes (glue cannot be tear) 2.Turn the clothes,or directly iron the patch that must cover with a thin cloth,but the cloth must not too thick.The electric iron temperature in 120 to 150 degrees,iron it about 8 to 9 seconds,the patch can be heated evenly. 3.The edge of patch should iron for few times,in case of loss. 4.After the patch was stick,its difficult to take off,so you should set the right place before stick. 5.If no iron,you can also sew the patch on the clothes.