Kuretake's Sumi Ink 60 comes in a 60 ml bottle and is best suited for illustrations and comic work. Note that once the ink is dry, it is not waterproof but it is smudge-proof.
Guri-K Glass Dip Pen Gray
Guri-K Glass Dip Pen Opal/Clear
Rhodia - No. 8 Staplebound Graph Pad - Black
Rhodia - No. 11 Staplebound Graph Pad - Orange
Rhodia - No. 11 Staplebound Graph Pad - Black