Made of 100% 185GSM New HDPE (high density polyethylene) material--No recycled materials used, more healthy and safe. The breathable fabric allows cool breezes and light to pass through for better airy and comfortable space, so it isn't waterproof 90% Shading rate and protect against up to 95% harmful UV rays. Perfect for gardens, patios, swimming pools, bbq areas or other outdoor area Curved sides to enhance pull strength and prevent drooping, so the actual shading area would shrink slightly, tolerance 4~6 inches for each side. You could install different shade sails of different colours and sizes to get a larger shading area Please measure the size of the installation area accurately before purchasing. Leave 1.5-2 foot space for the hardware kit between D ring and fixing points, all edges are finished slightly curved so it can be stretched tightly International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.