The Styrofoam to-go Box

I would love to see the cheap, generic, old school styrofoam to-go box, be replaced by a cheap, generic, NEW school design, that is leak proof.  
 
    Why,

does it not exist yet?

    Yes, there are bowls with plastic lids for soups, and same for cups.  But, for all the Chinese food, Mexican food, Italian, that comes with- oh ya know- SAUCE, that LEAKS, given a 10 degree angle.. Surely, there must be a better way :)