Kodomo no Kao Teacher Penetration Seal G Stamp I saw it 0616-090 (10 sets)

Stamp body: W33 x D33 x H33mm
Holder: plastic
Stamp surface: Olefin
Ink: Pigment-based oil-based ink

Perfect for contact books and homework! A penetrating stamp type that can be stamped approximately 500 times. No ink pad required, easy to press. Refill ink (sold separately) can be used repeatedly even if the ink becomes thin.