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"The System" DUO Pen Sleeve


Our custom plush-lined DUO Pen Sleeve featuring "The System" artwork by Mike Dudek. Available in "Short" to fit "The System" Retro1951 rollerball and mechanical pencil, or "Medium" to fit a wider range of pen sizes (including Retro 1951 Tornado fountain pens). Pens not included.

Each DUO sleeve is made-to-order in our own shop, right here in San Francisco.


  • SLEEVE/PEN SIZING (Pen Length x Dia):

  • • Short: 5.0" x 0.5" (130mm x 13mm)

  •     Examples: Karas EDK, R-Type, TWSBI Mini, Retro1951 Tornado Rollerball

  • • Medium: 5.5" x 0.6" (140mm x 15mm)

  •     Examples: Karas Decograph, RETRAKT, Retro1951 Tornado FP

Sewn in 2-5 daysSewn in 2-5 days