Is The Hydro Flask Lunch Box Water Tight?

I've just finished a 12 hour ice test on the Hydro Flask lunch box and given it's full of water I wanted to check whether or not this lunch box is water tight or if it'll leak water.
Hydro Flask Lunch Box 12 Hour Ice Test - • Hydro Flask Lunch Box ...
GET THE HYDRO FLASK LUNCH BOX FOR YOURSELF
Hydro Flask Lunch Box (from HydroFlask.com): huntingwaterfa...
Hydro Flask Lunch Box (from Amazon): huntingwaterfa...