Natural Series--Double-Sided Metal 6" 24 Sheet
The Natural Series--Double-Sided Metal package has 24 sheets of double-sided paper--one of four solid metallic colors (blue, tan, rust, green) on one side and solid matte charcoal black on the reverse. There are 6 sheets of each complementary color.
For reference the order of thickness of the Natural Series from lightest to heaviest: Double-Sided Metal, Smooth I, Mottled, Earths, Weave, Smooth II.
Smooth I, Mottled, Earths, and Weave are all similar in thickness and may be easily mixed for use in modular origami.