Neomark 5 Spools Different Colors Glow In the Dark Embroidery Thread 1000 Yard / 915m No Fading (5 colors) high quality noctilucence thread. Environmental and never fade. Spec: 150D/2, 0.2 mm Length: 1000 Yard / 950 m. Net weight: 100 g. Strong, durable and washable and variety in different use.