Travel
TravelBowl Folding Pet Bowl
Flattens to something you forget is in your pocket.
What it is
The bowl you actually have with you beats the better bowl at home. This folds flat, clips to a lead or a belt loop, and pops open into a stable dish for water or a portion of food.
It is the cheapest thing in the range and the one most likely to live permanently in a coat pocket, which is rather the point.