This desk mat is a perfect addition to any ham shack. With the QuirkyQRP Ham Radio Shack Reference Mat on your desk you will always have immediate access to useful ham radio information such as: Amateur Radio band plan, HF/VHF/UHF Calling frequencies, Q-codes, Phonetic alphabet, RTS signal report guide, and of course a morse code chart. All without having to look more than just a few inches away from your ham radio. Made of 4mm thick neoprene material, it has an anti-slip backing and a hemmed edge for durability and stability. Size options: 12” x 18” & 15.5" × 31"