Targus Business Casual TBM014 Carrying Case (Messenger) for 39 cm (15.4inch ) Notebook - Charcoal - Nylon. The Targus EcoSmart Business Casual Messenger is designed to fit laptops with 15.4inch screens. As part of the Targus green initiative, this laptop case comes from recycled plastic (PET) with nickel-free metal fittings and magnets to help reduce the impact on the environment, both during and at the end of its lifecycle. In every aspect of the case design we have looked at ways in which we can help to reduce material wastage and support a more sustainable path for the future.