Geocaching Nano Logbook - TPU - magnetic

I needed a dark, flat, magnetic container for a little logbook.
The future will show to what extent it is rainproof.
Due to the TPU material, the cap closes very well.

The holding magnet can be up to 8x8x3mm, smaller ones also hold the case. Mine weighs empty 6, with logbook exactly 7.5Gramm.

I have attached a print template of a suitable size (logbook).

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Ich brauchte einen dunklen, flachen, magnetischen