Pencil-case Pen by Yang:Repol

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The design is from London design studio YangRipol a pen that doubles as a pencil case and
eraser-capped pencil with its own brush.

The Pencil-Case Pen has a built in elastic band that acts as a minimal pencil case.
Also Pencil V2.O has an angled brush on the eraser end which can be used to
brush away bits of used eraser.Enjoy!!

Source: yangripol.com