Each cushion is 17.5". Three indigo & white design choices; Blocks, Diamonds, Stars. Buy more, save more! When you buy 2, you save $5! When you buy 3, you save $7!! Make your selection(s) from the drop down menu. If you are buying 2 cushions, select "2 cushions" (select "3 cushions" if you are buying 3) from the drop down menu and then specify your design choices in the notes section during the checkout process.