Look on the box, if it doesn't say "non marking" or something similar, it's probably not non marking. If you do a Google search for the shoe brand and model you can find out that way too.
In tennis, a non-marking sole is the outer sole of shoe that doesn't leave black marks on the floor. Many tennis clubs require players that use their courts to wear only non-marking sole shoes to preserve the courts.
A non marking shoe has a rubber sole that doesn't mark up your floors. A great maker of non marking shoes is Nike.
A shoe that has an outer sole (the part that touches the floor) that doesn't leave black marks on the floor. Required by schools for sports and P.E. so the gym floors stay nice looking.
If it doesn't leave marks on your nice floor, it's non-marking
Non Law Enforcement.
a non example of a streak is what it does not make a marking
a non example of a streak is what it does not make a marking
a non example of a streak is what it does not make a marking
Yes.
Yeah :)
a non example of a streak is what it does not make a marking
a non example of a streak is what it does not make a marking