Red Cross Mark Patches - Set of 2♪ These can be used to indicate medical pouches, aid kits, first aid kits, and first aid boxes. The back is Velcro. Red Cross Velcro Medical Pouch ◾️Size Approx. 38mm x 38mm Although we conduct a thorough inspection before shipping, please understand that these are imported goods and may have imperfections such as loose stitching, slight fraying or distortion, small scratches, or minor stains.