Syringe Ballpoint Pen 4 Color Ink Blue Bulk Novelty Blood Fun Gift Liquid filled, click-action, syringe shaped ballpoint pens. . Come with fluid measurements on one side. . Also refillable! Just unscrew the bottom, pop in a re-fill and you are set. . Great for children who are afraid of shots. . Make great gifts for doctor's, nurse, dentist, office workers, Halloween, more. . Features&details: . The total Length: App.12.8cm . Diameter: App. 1.2cm . Material: Plastic . Ink Color: Blue . Liquid Color: Green, red, yellow and blue . . We don't offer color choice. Your order will be sent in colors at random. . Package included: 1 x Syringe Ballpoint Pen