MonoPoly Smoke Spool MonoPoly is a reduced-sheen polyester monofilament invisible thread. 2,200 yds. SMOKE. Great for invisible thread applications. MonoPoly is .004 (.1mm) in diameter (90 denier) = Very fine thread.
Superior MonoPoly Thread Clear - OzQuilts
Clear Mono Poly Thread 2200yd/spool
is a 100% polyester mono-filament thread. This spool contains 2,200 yards. It is commonly called an 'invisible thread' due to being clear in
MonoPoly Thread
Amy's Free Motion Quilting Adventures: Tips for Using Monofilament
Invisible Thread Tips
How To Quilt With Clear Thread - Cosy Blog
Superior Threads 119-CL15-CL Monopoly Clear Prewound
Invisible Thread
Monopoly Clear Thread 10,000 Yard Cone - OzQuilts