The key with outdoor seating is the material, anything with cheap metal frames will start rusting the moment it rains, and flimsy plastic fades in the sun within weeks. You can find solid garden chairs in different styles, from classic wooden ones to modern aluminium sets, right here on this site
https://rengard.co.uk/product-category/garden-outdoor-chairs/ . Think about whether you want a fixed setup or something foldable that you can stash away in winter, stacking chairs save a ton of space when the weather turns. Also, check if the cushions are water-resistant and have removable covers, because soggy foam left out in the rain gets mouldy fast and smells terrible.