This large fountain pen is made of blue swirled acrylic speckled with shimmer flakes in the body is an eyedropper filler with a shut-off valve mechanism to prevent unwanted leaks. the ends of the pens are semi translucent blue due to the material and manufacturing process, each pen has a unique look and no two pens are identical.
To fill, unscrew the section, fill with the included eyedropper, and replace section. To write, simply unscrew the end blind cap, which releases the middle piston rod's shut-off mechanism. (video below)