Patch Blood type on Velcro.
A variant of a specialized patch that allows you to indicate the blood type and Rh factor (contrasting embroidery in traditional and common marking) of the user. Despite the impossibility of direct and immediate application of the information placed on the patch (when rendering certain medical procedures related to transfusion or blood replacement or others, a blood test is often performed for belonging to a particular group and Rh factor), this is a really useful accessory. , especially for army operators, which may be necessary in certain situations. The dimensions of the patch are optimized for wearing on an employee's uniform, on Velcro panels placed over the chest pockets; if necessary, it is possible to fix the patch on the user's equipment.