Well, some of our cabinets, the doors face each other so I went to the local Home Depot and got what is called Cabinet Slide Lock. It slides through both door handles and can't be opened by a kitty cat. They have protective type locks like that. It says: "helps keep children from opening cabinets".
HMMMMMMMMMMM........do we know any children they could be talking about?
I only got a couple of these and they do work, else I did the rubber bands. I have rubber bands on the cabinets where the dishes are on the bottom cabinets and when I open a can of food for Lucky, he amuses himself by pulling on the rubber band...I have to reach over and turn on a faucet for just a second and he takes off, comes back for the food and forgets the rubber band. He knows once that faucet is on, my hand will fling wet drops at him if he doesn't move fast.
But the Home Depot ones I really use on the kitchen cabinet underneath the sink cause I have Comet and stuff like that I do not want him to get on himself and lick off.
Anyway, the plastic ones aren't expensive. Just in the Locks and Latches section...I just asked where cabinet locks to keep "kids" out were.
Maybe your kitties can be stumped.
Judy