40 wt. 2-ply corespun (poly-wrapped poly core) thread. Designed for quilting and sewing. OMNI is the cleaner, brighter, and stronger alternative to other corespun threads. As a 40 wt. thread, OMNI has been designed for multiple applications, including quilting, sewing, and serging. OMNI is strong enough to handle the rigors of longarm quilting and is available in 172 solid colors.