The product is a lot of 4 new Maxi-Lock all-purpose spun polyester serger thread in blue. Made with high-quality polyester material, this thread is suitable for various sewing and embroidery projects. The Maxi-Lock brand ensures durability and reliability, making it a great choice for all-purpose use. Imported from China, this pack of threads is essential for any sewing enthusiast looking for a versatile and efficient option for their projects.