Ortlieb Messenger-bag Laptop Compartment

"Messenger-Bag Laptop Compartment Laptop compartment to extend your Messenger-Bag (from model 2023) or to replace Velocity (from model 2020) and Vario (from model 2022). The Messenger-Bag Laptop Compartment is not only intended for retrofitting your Messenger-Bag (from model 2023), you can also use it to replace the existing insert in your Velocity (from model 2020) and in your Vario (from model 2022). PLEASE NOTE: The Messenger-Bag Laptop Compartment can only be installed in Velocity models from 2020 onwards and in Messenger-Bag models from 2023 onwards. If you are not sure, you can easily check whether you can find push buttons on the back plate of your Velocity or Messenger-Bag. If there are no press studs but a Velcro fastener, you can install the laptop compartment. If there are press studs, you can alternatively use the F32G insert for the Velocity and F32G and F32D for the messenger bag."