Mini bagels with peanut butter, granola bars and other snack bars (nothing with chocolate because it melts and get messy), individual packets of nuts and seeds, those individual squeezy applesauce packets, string cheese (if you don't mind eating a bit warm or carrying an ice pack), peanut butter crackers, apples, bananas, frozen grapes, dry cereal in individual containers, dried fruit, trail mix (without the chocolate), carrot and celery sticks pretzels, hummus if you have a way to keep it cold, cookies...............P