dobboco Espresso Corner Tamping Mat Provides a tamping position low down on the edge of the countertop which makes it easier to tamp with a straight arm Ideal for commercial or domestic use on straight-edged countertops Suitable for standard or bottomless portafilters (not included) up to E61 (58 mm) group sizes Features a convenient indentation for your espresso tamper (not included) Manufactured from food grade silicone. Dishwasher safe