Big-holes lava stone

it is natural stone with black background and natural holes of 5-20mm in diameter.
it can be processed into polished surface, honned surface, cut surface and natural surface.
Features:
1. Low radiation
2. Good water absorption
3. Good sound insulation
4. Fast heat elimination
5. Antique surface
6. Environmental

Application:
Decoration for inner wall and outer wall of different building.