The Ripple Mark Pen Size_5.5" x 6" x 2.75" | 140 x 152 mm the more you appreciate how

the more you appreciate how cool they are

or keep track of your week while musing on your favorite 8-legged ocean-dwellers

A celestial map unfolds before you

The uniquely textured cover feels soft under your fingers and the stormy sea green elastic closure keeps all your musings safe

but we don't recommend taking them swimming)

The Ripple Mark Pen Size_5.5" x 6" x 2.75" | 140 x 152 mm the more you appreciate howRipple marks are patterns left below moving water or wind, and by studying them, scientists can learn a lot about the area's geography. These patterns can tell us about the depth of water above the ocean floor or riverbed, which direction the flow of water or air was going, how fast, whether there were waves or storms, and a whole lot more. The Ripple Mark is a capped metal body pen with textures reminiscent of ripple marks. Use it to conquer your