Color: Coffee mug stainless steel ◆ Cover with ceramic mill · Cover, beans do not splash · Mill rotation control function ... Equipped with rotating handle and turning the mill is different, so you can grind the beans slowly. <br> Suppress generation of heat as much as possible, and protect the flavor of beans. <br> · Washable OK <br> ◆ Metallic ultrafine filter A stainless steel filter that can be used semipermanently. It is an authentic faction that can taste all flavors of beans. <br> ◆ Vacuum Double Mug HOT &amp; COLD <br> Because it is a vacuum double mug with heat retention, you can enjoy coffee of Atsuazu. <br> All parts can be washed in the water !!