CHENGYIDA 0.1 mm Clear&Black Nylon Sewing Thread Invisible Transparent Upholstery beading ,Clear Mono-filament Invisible Thread,Nylon Bobbin Thread, Quilting Thread - 8760 yards 0.1mm/(or 0.0039 inches) Or 80D thickness For both machine quilting and invisible machine applique Made from 100% Nylon Monofilament Thread Clear white 4380 yard each spool Packed with net (TOTAL 4380X2 SPOOL) used for canvas leather shoes, bags, outdoor and other heavy duty material