This is natural.
This is the standard for rag rug warps. All new.
Sold in 4 to a package. 800 yards per tube.
Each tube is 1/2 lb, 100% unmercerized Cotton, 8/4, perfect for rag rugs, coverlets, etc.
Tabby sett 12, Twill sett 18.
Used for placemats, totebags, decorative furnishings, tapestry, rag rugs and more.