Instant purchase is OK. Please read profile. Snap button available for an additional 50 yen! Size: Inside width: Approximately 9cm Inside height: Approximately 6.5cm Will be shipped with only waterproof packaging! As this is a handmade item, there may be slight variations and differences. Please understand before purchasing. Please use with care, as pulling too hard may cause damage. Colors may appear different depending on the angle of the photo.