Item Description Black Solid Rubber Sheeting Pad 50mmx50mm-300mmx300mm Thickness 5mm To 50mm Name: Solid Rubber Sheeting Pad Size: Length x Width x Thickness Length: 50mm/100mm/200mm/300mm Width: 50mm/100mm/200mm/300mm Thickness: 5mm/10mm/15mm/20mm/30mm/50mm Color: Black Material: rubber Characteristics: shock absorption, cushioning, wear-resistant, non-slip. Package Includes: Depends on your choice. Please select your desired packaging from the drop down menu. Please allow a slight error due to manual measurement. Thank you for your understanding. The monitor is not calibrated, the color of the item shown in the photo may be slightly different from the real thing. Please refer to the actual item.