This gel pen features innovative temperature sensitive technology that changes color with heating, creating unique visual effect during writing. Perfect for classrooms and meetings, it adds interactive fun to note taking while maintaining smooth inks flowing. Specially crafted with thermochromic pen body that glows in low light conditions, resembling flower blooming at night. Ideal for students in dorms or night shifting workers who need quick pen visibility without turning on lights. Made from light weight recycled that reduce environmental damage.Ideal for students and offices professional. Designed with a contoured rubberized grip that reduces hand fatigue during extended writing. The balanced weight distribution makes it perfect for students taking lecture notes or professional handling lengthy documents. Package includes: 4Pieces Pen