The Lifesystems TREK FIRST AID KIT first aid kit provides you with everything you need to treat minor injuries. Proper treatment of cuts, blisters and scratches is important to prevent infection. The first aid kit is suitable for a bike or a smaller trek. The first aid kit cover is made of durable Ripstop material coated with polyurethane which increases moisture resistance, it has a waterproof zipper and a belt loop.