Contains: a water soluble wire spool, the spool is wrapped with 1000 meters of water soluble wire Size: 0.1mm diameter, Applicable sewing method: manual sewing, home sewing machine sewing, can also use commercial sewing machine sewing Product features: In a dry environment, it is as strong and ductile as ordinary sewing thread, and it will dissolve in water and disappear after entering the water. Scope of application: Usually suitable for commercial clothing production when installing anti-theft labels. Temporary sealing of garment pockets. It is also used in household sewing works of art Note: This is no ordinary sewing thread. This is Water-Soluble Thread Spool (Water Soluble Yarn Dissolves Quickly in Water)