GLOW IN THE DARK! Charge it in Bright Light and Then Watch it Glow at Night! Perfect for Halloween Crafts! 100% Hemp Color: Natural To Use: Place cord under a bright light bulb to charge. (amount of glow time depends on strength of light charge) Thickness: 1mm approx. Polished Hemp Length: 62.5 m. (~205 ft.) Eco-Friendly, Biodegradable, AZO-Free Dye, Oil-Free * Due to the manufacturing process, the cord may slightly vary in color and length. **The product images shown depict the colors as accurately as possible but note that due to monitor differences and color set-ups; pictures and color tones displayed may be different than the actual product.