You will need a cushion pad that is 20" (50 cm) square. There are three options in this pattern. Version A has a floral intarsia front and solid shade back. Version B. is a coordinating overall stranded Norweigan-inspired geometric design, with a solid shade back. Version C uses the front of Version A backed by the front of Version B. Yarn used: Rowan SoftYak DK Version A. A. Coast 248 - 2 balls B. Terrain 243 - 1 ball C. Plateau 239 - 1 ball D. Plain 232 - 1 ball E. Lantana 246 - 1 ball F. Pampas 235 -1 ball G. Canopy 254 - 3 balls (G. is used for the pillow back) Version B A, Coast 248 - 2 balls F. Pampas 235 - 2 balls B. Terrain 243 - 3 balls Version C A. Coast 248 - 3 balls B. Terrain 243 - 1 ball C. Plateau 239 - 1 ball D. Plain 232 - 1 ball E. Lantana 246 - 1 ball F. Pampas 235 - 2 balls