T.N. Dickinson'sWitch Hazel On-the-go Multi-use Cleansing Cloth Towelette Singles, 14 Count

How long do they stay fresh?

Do I have to rinse my face after wiping? I need it on the go in between washing my face at home.

How do these differ from the Hemoroidal pads which say 50% witch hazel? Can these be used safely for hemoroids?

What are the dimensions of the wipes?