PAPLUSAnkle Compression Socks for Women 6 Pairs, Low Cut Womens Running Socks with Arch Support

Can you buy a small for size 7?

Do these come in a left and right marked sock to be foot specific?

What is the fabric content ?

My running socks didn't arrive with the other two item. Bag is torn a th shoebox is torn from its corner. Tell me what to do, please?