Trusted quality and value from Alion Home brand shade sails. Whether you are trying to stay cool or stay dry, our colorful collection of shades is the solution you have been looking for. - Protect your family, friends and pets from direct sun or keep your stuff dry when it rains. - These are polyester sunshade sails that are more like a canvas than a plastic tarp. Using high-quality Polyester materials helps protect from damaging sun rays, and excessive heat. Our waterproof Polyester material is coated with Polyurethane to help repel and to allow 100% of rainwater to run off when installed correctly. As Shade Sails relies on the ring and can put a tow on the rings. Therefore, to ensure the ring to last long, we only use welded rings, therefore no openings for the rings to split open.