Slightly larger than the "Slim." The 9mm width of the Standard straw is similar to that of a typical restaurant; granting optimal delivery for beverages like water, soda, ice tea, lemonade, etc.
6"- 8-12oz drinks, kid sippers, lowball glasses, average coffee mug
8"- 16-20oz drinks, Simply mugs & pints, highball glasses
9"- 24oz+ drinks, venti masons, large and extra-large beverages