Unique F1 Wet Track Style Tire Stack Penholder Our F1 Wet Track Style Tire Stack Penholder is a versatile and unique addition to your workspace. Designed and 3D printed in-house, it can also be used as a planter, candy dish, nuts & bolts organizer, or drink koozie. Customizable: Available in three pre-printed sizes for immediate shipping. Custom sizes and colors available upon request. Handcrafted: Each piece is inspected for quality, ensuring no major flaws. Durable: Made from non-toxic, biodegradable corn glucose derivative. Versatile Use: Perfect for organizing your desk or as a unique gift. Dimensions: Small: 91mm/3.58" Tall, 80mm/3.35" OD, 68mm/2.67" ID Medium: 100mm/4" Tall, 87mm/3.94" OD, 74mm/2.91" ID Large: 113mm/4.45" Tall, 98mm/3.86" OD, 85mm/3.35" ID Items displayed with the Tire Stack are for demonstration purposes only and are not included.