Indoor/Outdoor Pillows That Endure Our Large Square Outdoor Throw Pillows are the perfect accompaniment to almost any outdoor furniture. They are UV-protected and treated to resist fading in harsh sunlight, soil and stains. We offer a variety of Sunbrella® or polyester fabrics. Optional Sunbrella® fringe is also available. Resists fading, stains and mildew. Filled with mildew-resistant polyfoam. Pillows with fringe are considered custom and are non-returnable.