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Purchase Organic & Sustainable Products

By choosing yarns from our Organic & Sustainable Products collection, you're not only creating beautiful handcrafted pieces but also making a positive impact on the planet. From reducing carbon footprints to supporting ethical farming practices, your purchase supports a more sustainable textile industry.

At String Theory Yarn Co., we're passionate about supporting a sustainable future for our planet. So, in addition to yarns, we have a selection of eco-friendly home goods and gifts.

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  • Berroco

    Renew

    Original Price $15.00
    Current Price $8.00

    A yarn so effortlessly elegant, so buttery soft, that you might forget it is eco-friendly too. This beautiful, sophisticated yarn is composed of re...

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  • Mitchell Wool

    Farm Friends Worsted

    Original Price $40.00
    Current Price $22.00

    This yarn is part of a limited edition collection: Shepherds Watch.Farm Friends Worsted is a soft, lofty, 2 ply woolen spun yarn made from Mitchell...

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  • Ikigai Fiber

    Paka Washi

    $18.00

    50% Easy Wash Alpaca/50% Merino135y/50g23 - 25 stitches = 4"We’re thrilled to introduce Ikigai's latest yarn, which employs an innovative process k...

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  • Hoooked

    DIY Crochet Kit

    from Original Price $20.00
    from $18.00

    Only select kits are on sale. Not all kits are part of the sale. Each kit includes the yarn, hook and instructions to make one amigurumi creature. ...

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  • Shop Sheep

    Felted Wool Cat Mat

    $50.00

    Cats go crazy for 100% wool. Nature's finest, renewable fiber. Plunk the mat anywhere - bed, tables, furniture, and kitty stays on it. So does kitt...

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  • Curio Spice

    Cinnamon Maple Sugar

    $15.00

    Curio proudly partners with Ackermann Maple Farm for this delicious sweet treat! Freshly ground Sri Lankan cinnamon and sweet maple sugar from Verm...

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  • Mitchell Wool

    Mitchell DK

    $32.00

    SUPER SOFT NEXT TO SKIN 18 MICRON RAMBOUILLET. The perfect soft as silk yarn!   50g 150+ yards /137 meters  18 micron rambouillet 2 ply semi-worst...

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  • Mitchell Wool

    Mitchell Fingering

    $32.00

    SUPER SOFT NEXT TO SKIN 18 MICRON RAMBOUILLET. The perfect soft as silk yarn!50g 200+ yards /182 meters  18 micron rambouillet 2 ply semi-worsted ...

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  • Mitchell Wool

    Mitchell Totes

    $40.00

    The Flock Matters. It's that simple. Show your lock for the farm wherever you go. On the boat, to the market, to the library, to Knit Nite. We've g...

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  • -

    Scrub Bar

    $17.00

    This scrub bar will turn a regular day into a spa day or get the dirt off after a day of gardening. No more glass jars increasing our carbon footpr...

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  • -

    Soap Bar

    $10.00

    Smooth and creamy lather nourishes skin and doesn't over dry. Formulated without the use of palm oil, animal fats, or sodium lauryl sulfate, our ba...

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