San Jamar Versa-Mat Interlocking Sanitary Bar Mats Raised design provides a sanitary surface for your glassware, and allows for better air circulation and faster drying Durable, non-slip material prevents marring and breaking of glassware Interlocking design allows you to connect multiple mats, and the lightweight material can be easily cut to fit into any shape or size needed for your shelves, bar or sink Always lays flat for a neat, clean appearance Dishwasher safe and NSF approved