1.Size: 8.5”Lx 5.9” Wx 0.59”H(21.5*15*1.5cm). The thickness is 0.39inch(1cm). The package only includes 1 coffee tamper mat. 2.Silicone material, odorless, thick and has a certain degree of hardness, high-grip, flexible and durable. 3.Corner design makes you tamp on the edge of countertop. ly keep counters and portafilters from scratches and damage. Protect your countertop and make better tamping at the same time. 4. Creates a stable and flat tamping surface, designed for cafe or home espresso workstation. 5.Washable and easy to clean, just rinse with water after using.