Our Martha Stewart Indigo Shells Real Natural Sea Urchin Framed Shadowbox brings a modern coastal update to your home decor. This shadowbox wall art features 100% real sea urchin shells that are cut, dyed, and placed under glass, for an elevated and unique look. The single matte base creates a gallery look and feel, while the black MDF frame adds a striking complementary touch to the design. 4 D-rings on the reverse make it easy to hang this piece either horizontally or vertically, fitting to any decor or space in your home. Shape and size of sea urchin shells may vary slightly from image due to the natural properties of each shell, making each piece unique on its own.