Nagasawa Onomatope INK Uto-uto Fountain Pen Ink[Onomatope INK Uto uto]Onomatope means onomatopoeia, mimetic word, etc. The English notation is onomatopoeia. Fountain Pen Ink created by imagining the sounds and voices of the natural world, the state and movement of things. sleep in the sunThe cat looks very comfortableI Uto uto (fall asleep) too[Specification] Fountain pen ink Capacity: 25ml Package size: about 65 x 65 x 50mm