First aid supplies are readily available and can be obtained at many convenience and grocery stores. Below is an example of some of the possible contents of a commercially available first aid kit.
Adhesive bandage
Adhesive tape
Antibiotic
Antiseptic
First aid guidebook
Hand sanitizer
Latex gloves
Roller bandages (2 and 4 inch)
Scissors
Sterile pad
Additionally, you might find more advanced items such as:
Burn dressing & treatment
Cold pack
Face mask & goggles
Splint
Tourniquet
Triangular bandage
Trauma pad