Zakboekje Haaglanden is an educational application designed for Android devices, focusing on providing crucial information for safety and emergency response operations. The app serves as a quick reference guide, compiling essential procedures and information that are vital for effective incident management. It aims to assist users during the execution of their responsibilities in the field, ensuring they have immediate access to relevant data.

The app emphasizes the importance of safety by featuring information that is critical yet infrequently encountered in practice. It does not claim to be exhaustive, instead offering a summary of existing procedures to support operational readiness. Managed by Team Operationele Voorbereiding, Zakboekje Haaglanden is a free resource that enhances the preparedness of its users in emergency situations.