Polyneon No 40 1000m 1100yd- Neon Lime. Madeira's 100% polyester machine embroidery thread, Polyneon is constructed of a specially developed raw material which eliminates looping, puckering and virtually all thread breaks. Suitable for almost any embroidered application, Polyneon's unique ... - Polyneon No 40 1000m 1100yd- Neon Lime.