... size Sequin thickness:3mm Sew on backing Washable,durable and eco-friendly Embroidered sequin patches sew on dress We sincerely welcome your ... 2) Thread: rayon, polyester, UV, metallic thread.3) Backing: iron on, plastic, velcro etc.4) Edge: laser cut, knife cut, ... merrowed, sew on, magnet.5) Embroidery Area: 50%EMB, 75%EMB, 100%EMB6) Special patches:3D products, Chenille, Applique ...