The entire barrel of this bamboo fountain pen is made of a unique, high grade, Golden Silk Bamboo. The construction is very solid.The cap was made of metal and embossed with Confucious' picture and motto. Capped length 145mm; Posted length 175mm; Diameter 16mm; Pen weight 63g; Medium Nib Size Take Cartridge : International standard, ink cartridges are not included for safety, you may refer to the matching cartridges at ASIN B00W01VCJA Package : 1 x fountain pen, 1 x removable converter and 1 x pen pouch