Minimum values for the options

Hi! I have an ecommerce store with wallpapers as the products. These products are customizable based on user inputs, as in, customers can enter their custom width and height for the product and then order. The wallpapers come with different finishes, where the price of each finish is different and each finish has a min width value eg., 95cm. So if I create a select field and add the finishes as options, how can I add a min width to each of the options, also each finish has a different price. Please help me in setting this up.