Gift wrap stuff, not Kleenex.
This is dumb but I'm ordering it online and they have a ridiculous number of size options.
I'm thinking 18x24? Maybe one of the SAHM's can measure it for me, lol.

DS1 born June 2008 | m/c at 9w March 2011 | DS2 born April 2012
Re: Average size for tissue paper?
haha who would of thought. how weird. I thought it was one size fits all.
Sorry, I'm at work or I'd measure it for you.