Made of soft rubber material, the surface features a regularly embossed design, which not only prevents slipping but also makes it easy to clean. It rinses clean with water and doesn't trap dirt or grime. When placed on a countertop, hot cups don't develop an odor or deformation, the insulation performance is truly excellent. The sink design allows water to flow directly into the sink, preventing it from accumulating on the countertop, tor frequently used milk tea counters or small home bars, it's not just decorative, it's more like an invisible assistant that quietly improves efficiency.