... 2. Natural concrete mushroom stone panel 3. Cold-resistant,eco-friendly 4. Wear resistant Chinese natural beige and coffee mushroom stone ... panel could be used in both outdoor and indoor.Suitable for wall cladding decoration, fence, landscaping, parks, ... Oyster Rusty, Grey, Greens, Yellow, etc. Slate, a durable and reliable material of nature, adding a contemporary feeling while keeping ...