Combo 3 toan canvas các kích thướcToan 20x20: 3 x 18k = 54k Toan 20x30: 3 x 25k = 75k Toan 30x30: 3 x 30k = 90k Toan 30x40: 3 x 35k = 105k Toan 40x50: 3 x 65k = 195kToan 40x60: 3 x 75k = 225k Toan 40x40: 3 x 45k = 135k