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Amazon.com: 100% Natural White Wool Roving Top, 8 OZ Corriedale, from USA Mill, Best Core Wool for Needle Felting, Wet Felting, Spinning, Dryer Balls, Stuffing, Big Yarn Roving, 29.5 Micron, Un-Dyed :
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R20 x 15 in Cosy Wool Sheeps Wool Insulation Roll & Pack - Eco-Building Resource - Canada's Green Building Supply Source
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