Very fine nylon thread in smoke or clear. Currently the Merlin clear is unavailable and is replaced with another very similar product. 100% nylon 200m
Clear Thread - JMM Marketing Ltd
Nylon Merlin Invisible Thread
Clear Invisible Nylon Thread 200m
200m Rayon 40 Gutermann Sulky Machine & Hand Sewing Thread Embroide
Invisible Thread – ThreadandTrimmings
4 x 200m Rolls / Reels - Invisible Sewing Thread - Clear or Smoke - UK Seller
200 Metre Merlin Invisible Nylon Thread - Clear or Smoke – Pound A Metre
Supercrafts, Lots of Sewing Threads
Merlin invisible thread
Invisible Thread
Invisible Thread – Figs Shop
Merlin Invisible Thread 200m – The Fabric Counter