The Band-Aid that Dickson received a patent for in 1926 looks essentially the same as Band-Aids today: a thin strip of adhesive and gauze covered by a protective layer that you remove to apply it.

Here's all you need to know about first aid ... “A basic first aid kit in the car should contain band aid, antibacterial ointments, burn cream, gauze pads, some medicines for diarrhoea, ...