Schmetz 5 Microtex Sharp Needles 90/14

Use with micro fibers, polyester, silk, foils, artificial leather, coated materials. Very thin acute point creates beautiful topstitching and perfectly straight stitches quilt piecing. 

How to choose machine needles:

Choose your needle TYPE based on your fabric type; woven, knit, silk, denim, leather, etc.
Choose your needle SIZE based on your fabric weight; a smaller number for finer fabrics and a larger number for heavier fabrics. 
The standard size shank will fit into nearly every machine.