100% spun polyester thread is a type of thread that is made entirely from polyester staple fibers. It is a strong and durable thread that is commonly used in sewing and stitching applications. Spun polyester thread offers several advantages, such as:   Strength and durability: Spun polyester thread is known for its high tensile strength, making it suitable for sewing projects that require strong and long-lasting stitches.   Resistance to abrasion: This type of thread is resistant to abrasion, meaning it can withstand friction and wear without easily breaking or fraying.   Colorfastness: Spun polyester thread has good colorfastness, which means it retains its color even after exposure to sunlight or washing, making it ideal for sewing projects that require long-term color retention.   Moisture resistance: Polyester fibers have low water absorption, so spun polyester thread is resistant to moisture damage and mildew, making it suitable for outdoor or water-exposed applications.   Cost-effective: Compared to other types of specialty threads, spun polyester thread is often more affordable, making it a cost-effective option for various sewing projects.   However, there are also some potential disadvantages to consider:   Lack of natural appearance: Polyester thread does not have the natural look and feel of cotton or other natural fibers. Some people may prefer the aesthetic of natural fibers for certain projects.   Heat sensitivity: Polyester fibers have a lower melting point compared to some other fibers, so spun polyester thread may be susceptible to heat damage if exposed to high temperatures during ironing or pressing.   Overall, Chinaspunyarn 100% spun polyester thread is a popular choice in the textile industry due to its strength, durability, and affordability, making it suitable for a wide range of sewing applications.