If you’d like to have a go at making your own slipcovers, a good place to find suitable fabric is Homespun Fabrics. This company has been supplying double 118" wide seamless fabrics for over 50 years – since 1951. The fabrics are great for furniture covers as they are extremely durable, fully washable and non-toxic. There are several comments from satisfied customers on the website, including one lady whose slipcover made from their fabric has lasted 25 years!