Material: natural obsidian

Specifications:

N3 paragraph length width 2 * 4 * 1.5 cm thick

N1 long paragraph 4 * W 2.5 * 1 cm thick

N6 long section width of 2.5 * 2.5 * 0.4 cm thick

N7 long section width 1.9 * 3.9 * 0.9 cm thick

N8 long paragraph 2.3 4.5 * width * height 1.2 cm

N5 long paragraph 4 * width * height 1.0 cm 2.3