Features: The fountain pen holder is made of PP resin material, with a lightweight body and a transparent-body design . The ink usage is clear at a glances. The ink is directly stored in the fountain pen tube, and the large capacity ink can be used multiple-times. Quick drying, not easy to penetrate paper. The fountain pen cap adopts a sealed design inside, which can better protect the fountain pen tip and effectively avoid dry ink caused by long-term storage. Direct liquid ink control system: Adopting a multi-layer fin structure with dense top and sparse-bottom, adjusting the pressure inside the fountain pen can stabilize the ink flow, prevent ink breakage and leakage, and make writing smoother and smoother. This pen has an F-tip, which is approximately 0.5-0.6mm equivalent to a neutral pen. It is more suitable for beginners to learn pens, daily writing, calligraphy, sketching, and bookkeeping. Specifications: Material: Plastic Color: Black/Red/Blue/Green/Light Blue/Pink/Purple/Orange/8 pieces of color each set Length: Approx. 131mm/5.16inch Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 12x Fountain Pen(single color)/8x Fountain Pen(8 color)