There are many ways to clean your leather backpacks. The first step is to use the right cleaners.
Firstly, empty your bag and vacuum inside after that use either a specialist leather cleaner or a small quantity of warm soapy water and gently wipe the bag with a soft cloth. Stay away from chemical cleaners, also you should use natural cleaners to take care of your leather backpacks.
Take care to clean it with a soft cloth without scratching the leather.