1.Why choose us? More competitive,we are MANUFACTURER with direct sales 2.What glue(iron on backing)do you use? Glue model:HSL-013 The test results are in compliance with the limits of the European Union RoHS Directive 2011/65/EU Appendix II Amendment Directive(EU)2015/863. 3.What kinds of thread do you used? 100% Polyester thread The embroidered thread was pass European Standard On Safety Of Toys EN71 Part 3:1994 And Amendment A1:200 And AC:2002,Acid Extraction Method Was Used And Toxic Elemehts Content Were Determined By Inductively Argon Plasma Sperctrometry. MUNAN patch design and matters needing attention MUNAN card packaging The genuine products of MUNAN ironing adhesive patch use special red packaging to prevent dust and surface abrasion. The back of the package contains instructions and help, please watch it carefully for newcomers who use it for the first time. The product packaging is purely manual packaging to ensure that each patch passes the second manual product integrity check. Patch edge design Specially designed for new patch users and those who do not have ironing equipment. 2mm edge width is reserved for the needle and thread reinforcement of the patch, which is convenient for use when ironing fails or without ironing equipment. Product back material Strong fast hot melt adhesive(Do not tear off the transparent film on the back, this film is an adhesive layer) Notes for irons Please pay attention to safety when using irons to avoid burns. After the patch is placed, cover with a breathable and non-fading cloth to ensure better results. It is best to use a steam iron, and use a non-steam iron to iron in all directions. For ordinary household steam irons, please adjust to the lowest steam mode and do not stay ironing for a long time. If you still don't know how to use it, why not watch our how-to video? He's at the end of the product image, open it and play it. Regardless of whether you purchased the MUNAN patch, you always need to use it.