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    Undercover Otter
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      Free Shipping Available in Europe

      Winter Closure! Shipping resumes on January 5th 2026

      ❄️ END OF YEAR SALE! ❄️ 10% Discount on hand dyed yarns!*

      We offset our carbon footprint via Ecologi Queer Business Alliance

      About Us

      Aiden Sielias started Undercover Otter in 2011 from their one bedroom apartment in Amsterdam, the Netherlands.
      Fastforward a few years, and Undercover Otter yarns have featured at Vogue Knitting Live in New York, Edinburgh Yarn Festival in Scotland, Oslo Strikkefestival in Norway, the Amsterdam Yarn Festival and Woollinn Yarn Festival in Ireland.

      UNDERCOVER OTTER

      Maakgemeenschap de Hoop
      Studio F.06
      Barndegat 6-8
      1505HN Zaandam
      The Netherlands

      Registration: 61068098
      VAT: NL001597857B95

      We are not open to the public!

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