... thread/bobbin thread 1.Original 2.Good quality(eg:high strengh,no knots,bright...) Sewing thread/502 polyester sewing ... Quality Approved: ISO9001 Product Characteristic : high strength ,evenness ,no knots,bright ,less broken ends ,low-elongation, well sewing function. In ... ,plastic cone sewing thread is a good choice. Application: High speed sewing garment,curtain,glove ,cap,bedsheet ,blanket,shoes ...