Today many embroideries are logos combined with writing, the finer the writing means a finer thread is required Madeira No.60 thread is the finest in the market Madeira Classic 60, as well as PolyNeon 60 resolves many small lettering and definition problems and is perfect for top stitching and decorative sewing onto delicate fabric Thread thickness: No. 60 Recommended needle size: 65 Maximum washing temperature: 95°C