Xtra Sparkle Cello Fun Glitter 10 Colors Sparkle Gel Pens by Cello (Pack of Ten i.e. 100Pens) 100 Glitter Gel Pen Making your assignments sheets and project files colorful and appealing can get you extra marks. Use this pack of 10X10 glitter pens from Cello and make your project reports come alive with colors. Colors include Black, Green, Light Blue, Golden yellow, Orange, Purple, Pink, Dark blue, Grey, Red.