Features: The use of non-carbon ink,with excellent gloss and color intensity,not clogging pen,and provide more smooth writing experience. 20 kinds of vivid and bright colors,pure color,to meet different writing requirements,let your writing personality stand out. 20ml capacity,compact shape,easy to carry;glass bottle body,can clearly observe the specific ink color. It can be used in diary,painting and calligraphy,you can enjoy the ritual feeling of filling ink from the bottle and "the dancing melody" on the paper. This is the perfect gift for an office worker,a student,or someone who loves colored pens.They will be very happy to receive it. Specifications: Material:Ink Color:20 Kinds (Yellow/Vermilion/Ultramarine/Orange/Ermine Color/Indigo/Red/Hot pink/Purple/Turguoise/Black/Blue,etc.) Capacity:20ml Note: Please allow 1-2cm errors due to manual measurement. Because of the different display of each computer, the pictures may not reflect the actual color of the item. Package includes: 1 Piece Bottled Pen Ink