White cotton rags are pieces of cotton materials that are cut up into handy rag size pieces. Ideal where a good quantity of this popular rag is required. Good for general cleaning and polishing tasks.They are useful for cleaning, mopping up messes, trade uses (plumbing, car repair, washing windows, etc.), craft projects, gardening (such as tying up stakes), garden fill, and much more. The best cloth rags come from nature fibres, such as cotton, linen and bamboo.