This toolkit provides guidance for producing clear and user-friendly point-of-use instructions for testing kits. It is for: - manufacturers and distributors of tests - service providers who might want to brief designers and content specialists - content specialists and designers who need information about producing instructional text This guidance includes: - information about what you should consider when producing user-friendly instructions, based on the findings of research and good practice - examples of how the guidance has been applied by those who implement policy in diagnostic companies The toolkit has been designed primarily to support instructions in a static/fixed page layout.