what useful things I need to take to outer space

1. A source of oxygen 2. Something to control temperature; we humans need a temperature that is neither too hot nor too cold. 3. Protection from sunlight 4. Water  5. Food

the important things are:1 oxygen carrier, food ,water, special suits of astronauts space suit(as it protects astronauts from radiations and maintains the proper temperature of the body)...most importantly a packing to keep your output mean waste materials...