... embroidery patches(embroidery, applique & gift):spangle embroidery darning needle: 1) Material: twill, cotton, velvet, satin, cotton, leather, felt, jeans etc.2) Thread: rayon, polyester, UV, metallic thread ... .3) Backing: iron on, plastic, Velcro, magnet etc. 4) Edge: laser cut, knife cut, merrowed, sew on.5) Embroidery ... etc. special embroidery skills, ...