If you want to make velcro by yourself, you need to buy hook loop(11*10 cm or more longer). Nuclear Power Plant Radiation STALKER Factions Mercenaries Loners Atomic Power Badges Patches Chernobyl Capsule Corp Stripes parches bordados para la ropa Sizse:as picture There is glue on the back side. You can iron it on your clothes. But in order to make it more firmly and durable, please sew a few simple stitches after the ironing