C-KEY HARMONICA WITH 10 HOLES AND 20 TONES. Dimensions (length*height*width): 10*2*3cm. Perfect size for beginners. HIGH GRADE MATERIALS IN EXQUISITE APPEARANCE. Made of copper reed plate with stainless steel cover plate. Solid, durable and stainless. GUARANTEED SOUND AND QUALITY. Emits rich and pure blue sounds. Each recorder is carefully tuned and tested during manufacturing to ensure best sound and quality. INCLUDES A DETAILED INSTRUCTION. Provides clear and detailed using instructions. Especially convenient for beginners. INCLUDES A DURABLE PLASTIC BOX. Packaged in a durable black plastic case to avoid dust and scratches. Makes carrying more convenient.