The stamp head is removeble! It's easily install or exchange to a different stamp!<br/> Seal Diameter: 2.5 cm / 1"<br/> Handle Cut-off Diameter (maxium): 2.0 cm / 0.8"<br/> - It's great to stamp them on wedding invitation lable, party invitation letter or other occasions! It's pretty cool!<br/> Normally it'll arrive you within 7-15 business days by standard shipping, 3-7 business days by expedited shipping. :)<br/> We can do custom stamps for you! You just need to send the picture of your design to us, we'll make it happen!<br/> We can do different sizes stamps, both round and square.<br/> The seal head is metal! So you can stamp it on soap or other products. :) <br/> Please visit my store for more amazing items! :) <br/>