This Multi-color Clear Transparent Retractable Ball Pen Pen Features a Clear Clear Transparent Barrel Design That Showcases the Internal Ink Mechanism in Multiple Vibrant Colors. Equipped with a Smooth Click-action Mechanism, It Allows Easy Switching & Reliable Writing Performance for Everyday Use. the Lightweight Clear Transparent Body Provides a Modern & Functional Look While Ensuring Comfortable Grip During Extended Writing Sessions. Ideal for Office Work, School Notes, Journaling, & Promotional Giveaways, This Pen Combines Practicality with a Visually Engaging Design. 140 x 20mm