EXTEX: Outdoor Fabrics by Marina Mill. EXTEX is an award-winning range of luxury furnishing fabrics, designed for outdoor use. All EXTEX fabrics combine outstanding performance with a luxurious feel and are available in a stylish array of contemporary colours. Easily mistaken for (and often used as) an opulent indoor fabric, EXTEX is beloved by its users for its easy-care characteristics it is stain resistant, water repellent, light fast, pre-shrunk and machine washable - EXTEX fabrics can, indeed, be used in ANY WEATHER and ANY WHERE!