About this item. 100% Polyester Machine Embroidery Thread, 40WT - Fits most embroidery machines such as Brother, Babylock, Janome, Kenmore. Please refer to "Sell through Simthreads" when ordering. White glove spool with sufficient thread length, 5000m / spool of machine embroidery polyester thread - to create a large continuous embroidery project and prevent the colors from fading during the whole process. color numbers: 058, 323, 328, 339; Excellent color fastness and shine - the embroidery is more lively and three-dimensional. High strength polyester embroidery thread at a low cost to complete a low cost embroidery project. Safety precautions 'user: 1. Place the yarn on a yarn holder; 2. Make sure the machine speed is 800SPM; 3. Try to adjust your machine's tension to make sure the thread works well with your machine.