About This Tamping Mat Size - 25 x 20 CM, about 9.84'' x 7.87'' Material - Silicone & odorless, Food Grade Silicone Coffee Tamper Ma. thick enough, waterproof heat resistant and durable Corner Design - Tamping pad Keep counters and portafilters from scratches and damage, which is designed to hold the portafilter securely for maximum comfort and precision when you tamp Anti-Slip Silicone Tamp Mat - Creates a stable and flat tamping surface, Won’t slip off the counter mid-tamp Washable & Easy to Clean - This silicone coffee mat is coated with a special, safe coating that can be cleaned with just water or soapy water