Vinymo MBT is one of the highest quality Japanese threads on the market. It is a bonded thread which means the outer strands are bonded to an internal core strand.It has a beautiful sheen when the light hits it and it glows with an aura of pure prestige.This thread is perfect for hand stitching or for your sewing machine. It's non-lubricated and is incredibly durable. For optimal results a little wax can be used before stitching but is not necessary.We find that #5 is the sweet spot for hand stitching (Used in all of the Little King Goods hand stitching products).Thread Features:- #5 thickness is roughly size 138 thread- #8 thickness is roughly size 92 thread- Internally bonded to a cord strand so it won't fray- Beautiful sheen- Perfect for hand stitching or sewing machines- Made in Japan- Comes in 100m or 1000m spools