Description:Bottle Material: GlassInk Material: CarbonCapacity: 60MLColor: Blue-blackSize: 4.8 x 6.8cm ( D x H )<br>Features:Bright color， fastness handwriting， fluent in writing.Suitable for Fountain Pen writing.A good gift for school student or writing lovers.Do not contain impurities and will not block pen nib.<br>Notes:Please do not mix with other ink.Timely tighten bottle cap after using.<br>Package Include:1 x 60ml Hero Blue-Black Fountain Pen Ink