Amazon.com: Circulo Natural Cotton Yarn - Big Ball 24.7 oz - 100% Brazilian Virgin Cotton - Undyed - Pack of 1 Ball - Color 20 Natural (4/6 - Light Worsted)
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Red 100% VIRGIN WOOL TWO PLIES Yarn on Cone per 400g / 0.88lb Knitting Crafts | eBay
Amazon.com: Circulo Natural Cotton Yarn - Big Ball 24.7 oz - 100% Brazilian Virgin Cotton - Undyed - Pack of 1 Ball - Color 20 Natural (4/6 - Light Worsted)
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Amazon.com: Circulo Charme Cotton Yarn for Crochet and Knitting, 100% Mercerized Cotton Yarn, Brazilian Virgin Cotton - Blue Cotton Yarn -Color 2931 - Nautical, 5.3 oz, 433 yds – Sport
Amazon.com: Círculo Natural Cotton Multicolor Premium Yarn - 247 yds, 7 oz - Light Worsted DK Yarn - 100% Mercerized Brazilian Virgin Cotton - Pack of 1 Ball
Amazon.com: Whoopee Yarn by Círculo - 578 yds, 7 oz - Sport - 100% Mercerized Brazilian Virgin Cotton (Pack of 1 Ball) (9975)
Amazon.com: Circulo Charme Cotton Yarn for Crochet and Knitting, 100% Mercerized Cotton Yarn, Brazilian Virgin Cotton–Brown Yarn, Color 7625 - Chestnut, 5.3 oz, 433 yds – Sport
Amazon.com: Circulo Charme Cotton Yarn for Crochet and Knitting, 100% Mercerized Cotton Yarn, Brazilian Virgin Cotton - Yarn Crocheting and Knitting -Color 20 - Natural, 5.3 oz, 433 yds – Sport
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Amazon.com: Circulo Anne Yarn, 100% Mercerized Brazilian Virgin Cotton - Cotton Yarn for Crocheting and Knitting - Soft Yarn, Pink Yarn Art - Fingering Weight Yarn, 547 yds, 5.19 oz - Color 3794 - Bordeaux
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Amazon.com: Circulo Anne Yarn, 100% Mercerized Brazilian Virgin Cotton - Cotton Yarn for Crocheting and Knitting - Soft Yarn, Black Yarn Art - Fingering Weight Yarn, 547 yds, 5.19 oz - Color 8990 - Black
Could the recycled yarns substitute for the virgin cotton yarns: a comparative LCA | The International Journal of Life Cycle Assessment
Amazon.com: Circulo Anne Yarn, 100% Mercerized Brazilian Virgin Cotton - Cotton Yarn for Crocheting and Knitting - Soft Yarn, Multi Colored Yarn - Fingering Weight Yarn, 547 yds, 5.19 oz - Color 9016 - Zebra
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Amazon.com: Circulo Amigurumi Yarn, 100% Mercerized Brazilian Virgin Cotton - Cotton Yarn for Crocheting and Knitting, Soft Yarn, Pink Yarn Art - Sport Weight Yarn, 4.4 oz, 278 yds - Color 3077 - Quartz
Amazon.com: Circulo Charme Cotton Yarn for Crochet and Knitting, 100% Mercerized Cotton Yarn, Brazilian Virgin Cotton -Pink Yarn for Crocheting -Color 7563 - Chantilly, 5.3 oz, 433 yds – Sport
Amazon.com: Circulo Charme Cotton Yarn for Crochet and Knitting, 100% Mercerized Cotton Yarn, Brazilian Virgin Cotton - Blue Cotton Yarn -Color 2012 - Candy Bluel, 5.3 oz, 433 yds – Sport
Amazon.com: Circulo Charme Cotton Yarn for Crochet and Knitting, 100% Mercerized Cotton Yarn, Brazilian Virgin Cotton - Blue Cotton Yarn -Color 2194 - Turquoise, 5.3 oz, 433 yds – Sport
Amazon.com: Circulo Anne Yarn, 100% Mercerized Brazilian Virgin Cotton - Cotton Yarn for Crocheting and Knitting - Soft Yarn, Blue Yarn Art - Fingering Weight Yarn, 547 yds, 5.19 oz - Color 2829 - Ball Blue
Amazon.com: Circulo Natural Cotton Yarn - Big Ball 24.7 oz - 100% Brazilian Virgin Cotton - Undyed - Pack of 1 Ball - Color 20 Natural (4/8 - Worsted)
Amazon.com: Circulo Anne Yarn, 100% Mercerized Brazilian Virgin Cotton - Cotton Yarn for Crocheting and Knitting - Soft Yarn, Blue Yarn Art - Fingering Weight Yarn, 547 yds, 5.19 oz - Color 2137 - Hydrangea
Premium Thick Cotton - Natural (ecru) - Circulo 4/6 and 4/10
