The metal tin

Yes I had a plastic one of those

I've got the metal one. Great for hiking. Find a nice view. Pop it out and pull the cork on the red wine in the backpack. Sip and enjoy the moment. Fill it with water to hydrate and close it up. Then head for another view.

Link?

https://smile.amazon.com/Sportsman-SSCC5-5-Ounce-Stainless-Collapsible/dp/B008J0TOHS/ref=sr_1_3?rps=1&ie=UTF8&qid=1524594984&sr=8-3&keywords=Expandable+cup&refinements=p_85%3A2470955011