Two steps forward

30cm x 40cm (12" x 16") 45cm x 60cm (18" x 24") 60cm x 80cm (24" x 31") 75cm x 100cm (30" x 39") 90cm x 120cm (35" x 47") 105cm x 140cm (41" x 55") 120cm x 160cm (47" x 63")