HanesWomen's Silk Reflections Non Control Top Pantyhose with Reinforced Toe

Trying to get these for my daughter to wear with a leotard. Do these show a line at about where a pair of shorts would end? Are they lineless?

Weird question, but is there a tag inside these -- and if so, does it say "Silky Sheer"?

Which shade is the lightest

What is cd size