This is a thin and light ballpoint pen. The Hawaiian Koa is inlaid with surfboard resin and the metal hardware is plated with titanium. As with all pens made by Lau Lau Woodworks, it is water and chemical resistant because of the special finish applied to each pen. This takes a Cross style refill. *Each of our pens are branded individually by hand with our company logo, the laulau. You will find the logo next to the pen clip. This is to certify that you have a Lau Lau Woodworks pen. **You may be contacted shortly after your order for the cost of shipping based on weight and destination.