Lightweight and easy to pack, our Backpack Harmonica brings friends and family together around a campfire. All great reasons to start a band next time you are camping or backpacking. It comes with a case and cleaning cloth for years of outdoor use. Features key of C with 10 holes for a variety of music-making. Brass reeds provide great sound and the smooth ABS comb is waterproof and comfortable. The matte finish stainless steel casing offers a good grip and a sleek finish. GSI Outdoors - Backpack Harmonica