A tiny pouch or a box will not take much space in your bag, a change in place and weather most of the time brings in infections and allergies, so it is always helpful if you carry your own pack of aid- Anti-allergy, stomach relief pills, anti-bacterial gel, a mosquito repellent, and some band-aids etc.
Nothing can be worse than uncomfortably cold, whether you are on a flight or traveling to some cold place, make sure to pack a foldable jacket as these days you get those thin layered warmers, which provide maximum heat and doesn’t take more than a pocket space.
Be ready for sudden downpour or unpredictable weather with a light-weight rain poncho, which will keep you dry and comfy in style. Look for a packable version of it, so that won’t take much of your space.
If you are a frequent traveler and don’t like to pack much then always shop reversible clothes which you can re-use, while not be looking like wearing the same clothes throughout the trip. Also, look for options which are light and crease free, so that you can pack them easily in small space and the way you want.
Most important gadget to pack to avoid all kinds of noise and distraction. You can soothe yourself in your own world, while just plugging in your earphones. We most of the time forget to carry and then only thing miss throughout is earphones. So do not forget, to keep it in the smallest pocket of your bag.
Even if you are not fond of making lists or a writing fan, still carry a tiny notebook and a pen, in which you have already updated some of your important contact numbers, whom you can contact in case of an emergency. As, you never know when your phone runs out of battery.