Case Specifications: Length: 22.2 cm Width: 12.9 cm Height: 3.7 cm This is a hard-type case for a shamisen plectrum (bachi). It is a suitable size for plectrums used with Tsugaru-jamisen, Nagauta-jamisen, and other types of shamisen. It is designed to hold one plectrum, and the opposite side is made of a soft sponge material. There is some minor wear on the inside, but overall it is a clean item.