Glow in the dark thread Glow in the dark thread Glow in the dark thread luminous! 50% off! Now £2.25 Currently out of stock Glow in the dark Guterman polyester sew all thread - who can resist?! Use for top stitching, and picking out details. 100% polyester so perfectly safe for stitching where strength is needed. Charge it up in sunlight for a whole day for long lasting glow! 100m spools, available in regular 'green' or violet!