Come and see our amazing products. They have 4 colors in each pen(blue black, green, and red), you just click the color tab down and then when you want to close it, click another color partway. Portable and convenient, you can put it on your wallet,handbag,the top of the pen is also a little hook,so you can hook it on your backpack or belt loop,etc. The price includes a shipping cost to ca. Qty for 10000 and over by ocean. Pls confirm further with us if any query about packing info, inventory status and time schedule.