... .Iron on back 5.Custom made designs are welcome. Customize Embroidered PatchThread: metallic thread, UV series, polyester thread, rayon , luminous thread ... .,Background fabric: twill, felt, velvet, 3M reflectiveBorder: merrow, heat cutting, hand cuttingBacking: iron on, hard PVC, vecro tape, stick on, paper ... days for production.Customized designs are welcomed. High Quality Customized Embroidered Patch