Complete your work and return Teacher stamps JYP PA1040 Pre-Inked Rubber Stamp Complete your work and return Teacher stamps JYP PA1040 Pre-Inked Rubber Stamp Max. text plate size: 5/16" X 1-1/2" (10 x 40 mm) Red Ink Color Easy, Fast, Unlimited Refill, More Than 10,000 Times Used Guaranteed.