Size inchs	size cm	price for 1
10x10	25x25	฿525
14x14	35x35	฿600
16x16	40x40	฿660
18x18	45x45	฿800
20x20	51x51	฿950
22x22	56x56	฿1,100
24x24	61x61	฿1,300
26x26	66x66	฿1,400