Travel sized products sold on 3floz.com, clockwise from left: Pangea Organics Facial Cream, Blow To Go, Ole Henriksen's Starter Kit, Dr. Hauschka's Daily Body Care Kit, and Molton Brown's Sleep Kit.

All the comforts you’ll need on your flight and the luggage to carry them in.

We've all been there. You line up at airport security and start putting everything on the conveyor belt—shoes, laptop, scarf—but then realize you packed a full-sized bottle of shampoo in your carry-on ...

Creativity often springs from conflict. Case in point: Kate Duff and Alexi Mintz, who got the idea for 3floz.com, an online store that sells high-end toiletries in TSA-approved carry-on sizes, after ...