Vesuvio Napoli PreTied Men's Necktie Solid WHITE Color Mens Zipper Neck Tie

Is this a good size tie for a teenager? Also is the finish shiny like satin?

I see three different tie lengths designated for this tie in the seller's descriptions: 19.5", 19", and 18". Which is the correct length measurement?

Does it have a button hole?

Can you launder this or does it need to be dry cleaned?