1,100% nylon 2,Flour yellow 4 inch tube 3,Uses Masonry, gardening, bundling, tying packages, crafts, households #18 x 135 ft. Twisted Nylon Mason Line Flour Orange 4"Tube#18 x 540Feet. FlourGreen Nylon Seine Twine, Mason Line, Twisted Nylon, Construction Line , Mason Assorted Rope ,Builders Line, Decoy Line,Chalk Mason Line.