Couch slipcovers are a good solution if you care to keep them in good condition. Daily use, children, if you have a pet, all is factors to spoil upholstery of armchairs and sofas. In any store you can find slipcovers sofa of different sizes. Price covers for chairs of 20 €, if for sofas from 30 €. You’ll have to limit yourself to a range of finishes either plain or with a drawing, but may either be what you want.
There is another option, if you have a little skill; you make yourself your couch slipcovers. You choose fabric and customize design, rather than in ‘purchased’ covers not getting. You can find beautiful fabrics at a great price (in fabric stores weight for example). Before you can practice using any blanket covers you no longer use. Then you need only make fabric and tools for sewing sleeve.
Note that if chair or couch slipcovers is a single color and also reveal more clear stains, or rubbing. Canvas fabrics, chenille or microfibers are a good choice for a sofa slipcover. Fabrics with prints hide it better if a stain falls and also if take away is easier not to notice that in fabrics of a single color.