Silicon CoverSSACK Light BlueA6 Size (fits Hobonichi Planner and Hobonichi Techo Original)

    This unique silicon cover joins the lineup for its second year. The silicon resin feels clean and pleasant to the touch, and the soft yet sturdy material flexes easily but returns to its original shape. The 2016 edition has been improved to stay more resistant against scrapes and dust. The design has also been newly fitted with a silicon band to keep the book shut.

    The simplistic design of the SSACK is by Taku Satoh, the same designer as the Hobonichi Techo book. The cover interior includes a small pen holder designed to fit a pen clip, incisions to hold cards, one bookmark, and a side-flap to keep your place.

    The 2016 SSACK lineup includes colors that make the most of the silicon material's ability to depict brilliant color. This cover's soft, calming shade of light blue suits any setting and gives the elastic silicon a sporty look. Feel free to branch out and give this new cover design a try.

    *Also available in the SSACK series:
    A6 size covers SSACK Navy and SSACK Pink-Redfor Hobonichi Planner and Hobonichi Techo Original
    A5 size covers SSACK Navy and SSACK Lime Yellow for Hobonichi Techo Cousin

    Cover OnlyPlease Read
    • Cover

    1,620 yen (incl. tax, excl. shipping)
    Will ship in 1-3 business days

    Book OnlyPlease Read
    • Hobonichi
      Planner book
      A6 (4.1"×5.8")Starting on

    2,700 yen (incl. tax, excl. shipping)Will ship in 1-3 business days

    • A6 (4.1"x 5.8")
    • One page per day
    • January start date
    • English
      • Starting on Monday

      • Book
        A6 (4.1"×5.8")Starting on
        Starting on
      • Web Shop

      2,160 yen (incl. tax, excl. shipping)Will ship in 1-3 business days

      • Book
        Book 2 of
        the 2-book set
        A6 (4.1"×5.8")Starting on
      • Web Shop

      1,188 yen (incl. tax, excl. shipping)Will ship in 1-3 business days

      • A6 (4.1"x 5.8")
      • Book 2 of the 2-book set
      • One page per day
      • July-December
      • Includes Web Shop Bonus
      • Japanese
      • Starting on Monday


      Size (Cover&Book combined)Width: 110mm (excluding pen holder) x Height: 155mm x Thickness: 22mm (4.3" x 6.1" x 0.8")
      (Specifications may vary slightly)
      WeightApproximately 100g
      Main materialSilicon

      Please Read Before You Buy

      In order to provide you with the most satisfaction for your product, we've compiled a list of warnings, potential issues, and tips to keep in mind for this particular product. Please be sure to read this information carefully before placing your order.

      Black dots on the cover

      Small black dots may be visible on the cover material. Please note that these are unavoidable occurrences during the silicon material’s manufacturing process.

      Keep away from heat and direct sunlight

      Please keep your cover out of direct sunlight and away from heat sources as it may result in discoloration, distortion, or deterioration.

      About the pen holder

      The pen holder is designed to hold the clip of a pen, so please note it does not work with pens that do not include a clip.

      Cover contains uneven surfaces

      Special care has been taken to prevent this as much as possible, but due to the nature of the silicon material, sections of the exterior cover may have small protrusions, such as areas over the bookmark flap or card pockets.

      Book-holding bands may fit differently

      A band inside the cover is designed to hold your book in place. Depending on the type or thickness of book you store in your cover,
      the band may fit differently. The basic full-year techo book is designed to have a snug fit.

      Error in Japanese 2016 Hobonichi Techo copyright page

      The final page in the Japanese 2016 Hobonichi Techo, which includes copyright data and other information, lists an incorrect URL for the Japanese Hobonichi Techo Web Shop.


      We apologize for the oversight.
      (Updated: 6/2/2016)

      Correction and Apology for Typographical Error in Solar Terms section

      One of the Japanese characters in the Solar Terms explanation is incorrect, as listed below.

      白露 (White Dew)
      Incorrect: 昔の人は、草木に降りた霜が (Long ago, people saw the frost on the plants...)
      Correct: 昔の人は、草木に降りた露が (Long ago, people saw the dew on the plants...)

      We apologize for any confusion this may have caused.
      (Added on June 7, 2016)

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