Unleash creativity with the upgraded Grabie Glitter Gel Pens, now featuring 18 vibrant colors and 800% more ink capacity. One pen lasts as long as nine standard glitter pens, so you can create uninterrupted for hours. PLENTY OF INK FOR ENDLESS CREATIVITY - Extra-large ink cartridges provide long-lasting use. The color-changing glitter shifts hues in sunlight, creating a stunning chameleon effect. Safe for all ages, the pens are acid-free and non-toxic. 18 GLITTER COLORS - This set includes 18 colors, each infused with glittering pigments to add a mesmerizing sparkle to your work. Whether bold strokes or intricate designs, these pens bring your creations to life with radiant effects.