Alibaba.com offers 2 shamrock pen products. About 50% of these are ballpoint pens. A wide variety of shamrock pen options are available to you, such as free samples. There are 2 shamrock pen suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of shamrock pen respectively. Shamrock pen products are most popular in Eastern Europe, Western Europe, and Southeast Asia.