Introducing the Altura Urban Dryline Briefcase 15. This 15 litre briefcase/pannier bag is ideal for commuting. This briefcase has the features that will make your life a little easier and a little more organised. First of all the brief case is constructed from Alturas patented Dryline material, this is sure to keep the rain out. Inside the main compartment you will find a padded laptop or tablet bag which can hold up to a screen size of 15”. The laptop bag can be removed from the briefcase and used separately as a smaller briefcase. The briefcase itself is constructed from a padded material, this ensures that any valuables within the bag have a form of protection from any knocks. You can also add a shoulder strap to the briefcase to make it a messenger bag for easier transportation when the load is heavier. The Urban Dryline briefcase 15 will be ideal if you find yourself commuting at night more often than not, the briefcase has a reflective trim so you are more visible to pedestrians and vehicles. The briefcase can be fitted to a pannier with the Rixen Kaul fitting which just slots onto the pannier of your bike. Over all this is a great commuting bag with all the features that a pannier briefcase should have.