By Penco Japan, a plastic letter opener that was seen in American novelties in the past.
Size package: W20.0 x H4.0 x D0.5 (cm)
Body: W16.4 × H2.1 × D0.5 (cm)
・ Do not use for anything other than opening envelopes.
・ Be careful not to apply excessive force when using thick paper, as this may cause damage or slipping of the tip, causing injury.