Feature:DESIGN: 4 pieces imitation needle syringe pens, each pen filled with simulation liquid medicine syringe.USAGE: Great decorations, props, gift to your loved ones or at a giveaways in the office.: A cool treats for your students to help them get motivated to finish their school works or projects.BEST GIFT: Amazing party favors, helps to add more fun and excitement at party, children will love these and also adults.USING: Safe and easy to use with a single push of the top, tip of the pen will show up and you can write memos, letter, list or notes for more fun.Description:Main Material: PlasticSize: Approx.(L)13cmColor: Random color(Red Green Blue Yellow)Note:1.1 inch=2.45cm/1cm≈0.393inch2.Please allow 1-3 cm error due to manual measurement. Pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Including 1Set(4pcs) Ballpoint Pens