Check the listing for details. Bertiveny Self Inking Office Stamp Set for Approved Paid 3.5cm x 1cm,. Color: office, Condition: New. Listed at 13.35 USD. (When the office stamp is first used, there is a lot of ink on the stamp. If you press too hard, it looks a little blurry, and bleeds into paper.Pls stamp like a normal when you first use! ). The stamping print size is 3.5cm 1cm,which is perfect stamp size with excellent big letters, easy to read.