These are all 16×20 in and 20×24 in. The dimensions are included in the titles of the paintings, which can be seen when you click on a painting: oil on canvas. If the painting is 16×20, then it costs 640$ If it is 20×24, then it costs 960$. When you check out, you will enter the amount.
All the paintings on this page, if available, are for sale. If you click on a painting, you can see, under the painting, if it is unavailabe. If all you see is the title, then the painting should be available.