Debbie Bliss is a designer range of yarns, providing that little bit of luxury at still affordable prices. With some gorgeous blends using silks, cashmeres amongst others, the Debbie Bliss range is well worth a look.   
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Angel 25g 76% super kid mohair, 24% silk. A real delicate luxury yarn - just gorgeous 
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Rialto Chunky 50g This is 100% merino wool, a lovely supersoft yarn.

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Baby Cashmerino 50g
55% wool, 33% acrylic, 12% cashmere. One of their most popular yarns. Lovely and soft.
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Eco baby 50g 100% organic cotton, a nice soft cotton from their fair trade range.