Jinhao 8802 Fountain Pen Fine Nib Deep Sea Bright Pearl Shell with Pen Pouch Gift Set Nib Size : 0.5mm, Cap : Push Type ,Length 136 mm , Diaeter 13mm , Pen Weight 45g Take Cartridge : International standard , ink cartridges are not included for safety , you may refer to the matching cartridges at ASIN B00W01VCJA Package : 1 x pen ,1 x converter (work with bottle ink ) & 1 x pen pouch as picture shown PS: The sea shells engraved on the pen are nature ,each of them is unique . The one you received may be a little varied from the picture shown 100% Satisfaction Guarantee : If there is any reason you do not like the pen ,just send us a message ,we can offer you a full refund or replacement !