Always have quick access to useful ham radio reference info anywhere you take your laptop. Perfect for SOTA & POTA activations. Quick Reference Chart includes: Amateur Radio Band Plan, HF/VHF/UHF Calling Frequencies, Q-Codes, Phonetic Alphabet, RTS Signal Report Guide, and a Morse Code chart. Featuring a black polyester back, a water-resistant construction, and dual zipper enclosures, this laptop sleeve case is available in 13”, 15”, & 17” sizes. .: Material: Smooth neoprene .: Lightweight .: Water resistant and durable .: Dual zipper enclosures .: Sizes 13”, 15”, & 17”