Creative color-changing design: The tulips on the pen will change color when exposed to sunlight, blue, purple and pink are the same color, the colors are vivid and lifelike; it can be used to decorate windowsills, balconies and desks near windows and other placesRELIABLE AND REUSABLE: The fun pen is made of high quality silicone case and black refill, not easy to tear or break, dry fast and safe, very soft and comfortable to hold; refill is replaceableProvides a pleasant writing experience: Tulip pen is designed with black ink and 0.38mm nib, non-slip, smooth writing, no water leakage or smudge, so you can use it with confidencePERFECT GIFT: Tulip Creative Gel Ink Ballpoint Pen is a lovely gift for family, friends, relatives, colleagues, neighbors and others you care aboutcolor:Blue+pink+purpleMaterial:Silica gelPackage Contents:60 x color changing pens (3 different top colors: blue, purple and pink, 20 each color)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.