Sirdar Smudge 100g/100m 100% Polyester. Rec needles 6mm. Sirdar Smudge is an incredibly soft and smooth chenille yarn. Smudge comes in the perfect palette of shades that includes soft, pale pastels and stronger, richer shades. It is the ideal yarn for making both cosy garments and beautiful homewares, our range of designs includes gorgeous patterns for both. Smudge is 100% Polyester and machine washable.