Regarding Standard Mail... Saturday deliveries have been discontinued, and it now takes an extra day for delivery. If you need expedited or anonymous shipping, it's available for an additional 150 yen. I have other items for sale too → #ringosuri Pink (Left) Length: Approximately 8.0 cm Width: Approximately 3.1 cm Ivory White (Right) Length: Approximately 7.7 cm Width: Approximately 3.2 cm For reference... They are the perfect size for my (adult female) hands, which are a perfectly average size. Finger rest Finger rest Thick neck finger rest Nagauta, Minyo, Erhu