Black SLATE natural surface disorder. The product attributes are as follows 1. Color: black, black and gray. 2. Processing method: natural splitting and rolling. 3. Specifications: diameter =15-50cm. 4. Thickness: 2-3cm or customized 3-5cm according to customer requirements,5-10cm thick floor paving stone. 5. Weight parameter: 15M2/ ton (2-3cm) 6. Supporting products: corner stone (length =15-50cm, width =6-20cm, thickness =2-4cm) 7. Application scope: high-end residential areas, villas, clubs, hot spring hotels, resorts, beautiful countryside construction, etc. 8. Sales line: WeChat of mobile phone number +8615132950888 (if you need more clear pictures, please call or WeChat.