Mini Calculator, easy to take in travel and calculate. ... 5cm W*2cm H Different customer Logo imprinting availabl Calculator Pen,1, Size 11.5cm L *3.5cm W *2cm ... H2, Magic calculator pen set.3, Pen can write, and ... use the pen is easy to press calculator button.4, Easy to handy and use when ... batteries.Packing, 24pcs/display box, 144pcs/ctn. Mini Calculator Pen