Hair Material: Fluorescent synthetic fiber hair extensions, clip-in extensions, hairpiece, can glow shines in the dark, ideal for prom, festival, party. Color&Length: 9 colors available, length: 20 inches / 50 cm Use It with Confidence: these glow in the dark wigs are made of synthetic fiber, soft and comfortable to touch, smooth and shiny on surface, not easy to tangle or shed; Besides, they are equipped with firm clips on the joints, reliable enough to serve you for a long time. Convenient Installation: first, grab a layer of hair on the top, fix the above layer with clamps, and then fasten the wig between the upper and lower layers, near the scalp, put down your hair and adjust them, you will get a stylish colorful hair.