These are glow in the dark (other than the star one). To optimize the brightness, please ensure that the bow is placed under light in order to activate the glow in the dark. These bows are offered in the mini (2 inches), small (2.5 inches) and large (3.5 inches). Please note that the bows photographed in the listing is of the small bow. They are made of a high quality faux leather fabric. This bow is available on a headband, a two-prong alligator clip, or a teeth clip. The soft nylon headbands will fit newborn to child, and they are available in 3 colour choices. They are stretchy and will not leave a dent. Our clips are lined with fabric, and have a non-slip grip to ensure that they remain in place. Please do not leave your child unsupervised with our bows, as they may contain small piece that could pose a risk. The colours may vary, depending on the settings of your screen.