A simple cotton blend goes easily into the washer and dryer machines and can last many years.
Tweed seems to be one of the most durable.
Leather sofas are the most comfortable and durable.
Most baby bedding is made of cloth fabric.
Poly Cotton is the best durable mix, 65% Polyester 35% Cotton, (Polycotton) standard everyday fabric
Cotton tee's clean the easiest, and jeans are most durable.
Leather is usually the most durable, but if you get cheap leather and/or don't care for it properly, it won't last. High-quality fabric cared for properly would last better than poorly maintained, cheap leather.
Duvet covers come with many different types of closures depending on the manufacturer. Most duvets close with buttons, ties, zippers, or snaps.
Curtains can be made with a variety of fabrics including jacquard, sheer polyester prints and durable cotton. Most curtain fabrics are found in the home decor section of fabric stores. The type if curtain fabric you choose will depend on the look you want. For example, a sheer polyester/silk blend might be ideal for an airy look.
Most people prefer a cotton and polyester blend for durability as well as breathability.
Most duvets are machine washable on gentle and in a cool drier.
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You can do research on the most durable fabric and then locate local retailers that sell patio furniture and see if any of the items they offer are made with the fabric. Some may or may not sell this type of fabric. If not you can purchase the fabric and either make your own cushions or find a seamstress that is able to.