500x200x20
500x200x25
500x200x30
500x250x20
500x250x25
500x250x30
500x300x20
500x300x25
500x300x30
500x300x40
500x350x30
500x350x40
400x600x30
ขนาดอื่นๆติดต่อฝ่า