All you need is an iPhone.

When the outline appears, tap copy and paste it into the notes app.

The outlined subject can also be placed in an email or a text.

Woman stacking clothes and shoes into bag case, trying to pack luggage

Credit:Olga Rolenko/Getty Images

I did the same thing for my last trip to Colorado, one commenter wrote.

Makes much less stress and anxiety of packing a ton only to not love anything when you get there.

This level of planning is key for the carry-on girlies line myself, another added.