Customized Pens, Floating Sperm and Egg Ballpoint Pen - Metal Barrel & Educational, Bring your business to life with a great offer like this unique pen It measures 6" x .5", comes in black, and features sperm and an egg floating in the top section of the barrel The rest of the barrel is made of metal, and this pen is perfect for custom inserts Add your company name or logo for maximum visibility and attract all of the attention you can.Give clients something they can show off to their friends! ... #32003 $2.10/each.