To answer this question you will need to consider

What about storage space. Have you got somewhere to store your furniture in the seasons of the year where it won't be used? Having your favorite (and expensive) garden chair covered with an outdoor furniture cover can guarantee that it won't deteriorate while it is not being used. Covering your furniture also helps you avoid the tedious cleaning job you would have to do otherwise.

Outdoor furniture will require a different sort of outdoor furniture cover depending on what material the furniture is made from. However you need not to worry about cleaning and repair service as Carpet Cleaning in Sacramento is one the best service you can get. Wicker furniture, as an example, usually requires something that can keep the moisture out. If your wicker furniture does happen to get wet make sure it's not used while it's drying out. If you sit on wet wicker it bends and will assume that position permanently when it dries out.

The climate for your area will also be a major contributing factor for any patio furniture covers you purchase. If you live in a hot sunny area you will need something that doesn't trap the heat in. You want to be able to easily take it off and put it back on as well so make sure you get something that is light weight. A material such as polyester doesn't trap heat in so it's a good choice. It is also moisture resistant and light weight.

Living in an area where snow or rain is a regular part of life requires heavier more durable material for your outdoor furniture cover. If you choose vinyl, which is heavy and durable, avoid the fleece lined covers as this can trap moisture which leads to a build up of mold and mildew. Usually cold and snowy climates have a lot of wind so measure your furniture carefully so you can get a snug fit that won't blow away in a stiff breeze.

Even though plastic outdoor furniture is light weight and durable there are still advantages to getting some form of outdoor furniture cover for it. You can keep your furniture in its original color longer if you cover it from the sun. You'll still want to use it so something that is lightweight is preferable. A good light weight material is cotton as it handles heat well, is washable and is easily removed and stored. If you don't like the covers getting all wrinkled you could consider a polyester-cotton blend but you might find it gets hot to touch.