10pcs SET HAMMER HEADZ 1% HFFH BLACK FABRIC EMBROIDERY IRON ON JACKET BACK PATCH 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.1-0.5cm differences due to manual measurement. 3.Thank you for your kindly understanding. Top rocker size is about 40cm wide Bottom rocker size is about 25cm wide Middle size is about 34cm wide Small name tag size is about 12cm wide Black twill fabric with iron on backing and 75%emb How to Iron the patches on your clothes? 1. Take out the embroidery patch and the clothes, bags or hats that will be ironed on. And get the Iron on ready. 2. Clean the part that is going to be ironed on. put the patch on the right part of clothes or bags. Put the side with heat seal backing on the parts directly. 3. After the iron's temperature gets 150 degrees, iron the patche on force backward and forward for about 15-25 seconds. 4. After about 15 munites when it turns colod, check whether it is fixed, if not, try again in the same process. Please contact us if you have any question, we will be happy to help!