This is a high end glitter rainbow vinyl - -this has a knit backing  

Rolls are 53 inches long

This has no stretch

Measures .9mm

Does not have a clear coating on the top but I have done tests and stitched on it and it's not flaking off.  This is beautiful in person.

This is waterproof, mildew resistant and abrasion-resistant and consists of 4 different layers.