Skip the snap-on lids. Go zipper or magnetic.

For arthritic hands, zipper or magnetic closures beat snap-on lids every time. The classic hard plastic lunch box with four little tabs is the worst possible design once your grip or pinch strength goes.

Snap-on lids force you to use a pinching motion and press down hard on each corner. That’s exactly the movement that hurts. The fix is simple: get something that opens with one swipe or one push.

Your best bet is a soft-sided lunch bag with a full-length zipper. Any standard canvas or insulated bag works — the kind with a wide opening and a zipper pull you can loop a finger through or thread a keyring onto. Even easier are bags with magnetic flap closures, like some PackIt and S’well models — you just pull the flap open, no grip required.

If you really want a box rather than a bag, skip the snap-lock ones entirely. Look for a single-latch container where you press a button or push a lever with the base of your palm — OXO Good Grips has a whole line like this. Hinged lids are also good because they flip open instead of separating completely.

And don’t overthink packaging. A wide-mouth Thermos or a simple drawstring pouch can also be the right answer. The easiest lunch box is the one you can open without a fight.