describe- 100% new and original product- High quality fountain pen with 0.5mm super fine nib- Executive design and elegant finishes- Perfect size to fit in bag- Pens originally came with cartridges.- Use refillable ink and/or replaceable ink cartridges - Includedconverter- The perfect gift for any occasionUse and maintenance:(1) The coating that protects the metal surface prevents hard metals from colliding and rubbing against each other, and preventing contact with acid and alkali solutions. Please use a soft cloth to clean the pen to keep it looking new.(2) There are two water storage structures: water absorber (single-use structure), water absorber and ink bag (dual-use structure).(3) When using water absorbent, please choose high quality ink without sedimentation. Before stopping storage, please wash the inside with clean water and dry before storing. Before recycling ink, if it is not cleaned and used for a long time, please clean it before recycling ink.(4) Do not use colloidal black ink, so as not to block the writing structure and affect the flow of water.(5) Plastic parts should not be exposed to organic solvents such as spray, and should not be placed at high temperature (65°C).(6) The writing structure shall not be disassembled or assembled by itself, so as to avoid the loss or damage of the parts.(7) Use of ink bag and water absorber:A. Replacing the ink bag: Take out the old ink bag and push it in front of the pen. The replacement ink bag is attached to the pen as shown;B. Insert the rotary ink absorber: push the front end of the pen firmly, then rotate the tail of the ink absorber, first rotate counterclockwise until the air is discharged, and then rotate clockwise to absorb the ink;C. Insert the detachable ink absorber: Push the front end of the pen firmly, and then push the lever to suck out the ink.D. Insert the pressure spring water absorber: push it firmly into the front end of the pen, and then press the spring plate to absorb ink.(8) Pen cleaning:The water storage structure has two functions in one machine: take out the ink bag or water absorber, and soak the pen tip and pen tip in warm water until the sediment softens;After inserting the aspirator, dip the tip of the pen in warm water, then hold the end of the rotating aspirator and turn it counter-clockwise or clockwise. spring), change the water several times until the water is clear. , and finally dry it with a soft cloth for later use;Package Included:1*Pen2*Replacement core