Polyester is a synthetic fiber made from petrochemicals, and it's known for its strength, durability, and resistance to creasing, shrinking and stretching. 100% polyester fabric is made entirely from polyester fibers and is a popular choice for a variety of clothing and home textiles, such as sportswear, outdoor gear, curtains, and upholstery.

　　One of the main benefits of 100% polyester fabric is its low maintenance and easy care. It is wrinkle-resistant and can be machine washed and dried without fear of shrinkage or fading. Additionally, polyester is hydrophobic, meaning it doesn't absorb water easily, which makes it quick-drying and resistant to mildew and mold.

　　However, 100% polyester fabric can also have some downsides. It can be hot to wear and doesn't breathe well, making it uncomfortable in hot or humid climates. It can also generate static electricity and can be prone to pilling, which can make the fabric look worn and reduce its lifespan.

　　Overall, 100% polyester fabric is a versatile and affordable material that can be a good choice for certain applications, but it's important to consider both its advantages and disadvantages when making a purchasing decision.