Pack of 4 high-value large spools for big projects: The set includes 4 high-quality large spools made of polyester embroidery thread, each with a length of 5000 meters (5,500 yards), totaling 22,000 yards. An economical choice to ensure plenty of thread for larger embroidery and sewing projects without frequent thread changes.

Spool base design with lock: Each 5000M spool features an innovative large locking base designed to prevent the spool from falling during high-speed embroidery and sewing, ensuring smooth and tidy thread unwinding without the need for additional accessories.

Strong and vibrant thread: Made from 100% trilobal polyester thread with a standard weight of 40 (120D/2), this second-generation thread offers superior durability, beautiful sheen, and vivid colors for professional results. For optimal performance, a sewing speed of 600-800 stitches per minute is recommended.

Multi-compatible color system: These 5000M polyester embroidery thread packs are designed to be compatible with Brother and Madeira color systems, providing easy color matching for various embroidery designs.

Note: Users of home embroidery machines are advised to consider using a thread support base for optimal thread feed.