From Sirdar’s website:

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.

Tension:10 sts to 17 rows on 6mm needles

Washing Instructions:

Machine washable wool cycle (40oC)
Cool tumble dry or dry flat
Do not iron
May be dry cleaned