This tamper is made of heavy duty cast stainless steel with no chemical coating that resists damage caused by the naturally occurring acids found in coffee, ensures long-term use.The dual ends of this tamper(51mm and 58mm) fit most portafilter baskets, evenly distributes, compress and level ground coffee compatible with a denser, richer and more flavorful espresso brew.The tamper mat keeps the portafilter from sliding around while you're tamping. Protect counters and portafilters from damage.So easy to clean, simply hand wash with water and dry thoroughly. Please don't dishwasher.Extract richer flavor by tamping down your coffee or espresso. Compress ground Espresso into a dense, evenly dispersed puck through which pressurized water flows more slowly compatible with a richer, flavorful extraction.colour: silver + blackMaterial: stainless steel+siliconePackage Contents:1 x Dual-sided Tamper1 x Tamper MatOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.