Yo yo cushion by Knitting Magazine

Yo yo cushion

Knitting
August 2011
DK (11 wpi) ?
22 stitches and 30 rows = 4 inches
in Reverse stocking stitch
US 6 - 4.0 mm
English

Also needs 4 pieces of co-ordinating fabric measuring 16cm by cm.
Cut 4 circles from each piece of fabric, approx 14cm in diameter.