It combine with grinder, pour over coffee dripper and S.S drinking cup together. * Only one mug can let you enjoy a cup of fresh coffee anywhere any time. * Ceramic burr grinder,will not rust and grind coffee beans more evenly, keep good tast coffee. * Long and adjustable grinder handle, make grinding and storage easily. * Compact size and portable,suitable for any occasions. * Stainless steel vacuum insulated drinking cup can keep coffee warm for hours. * Price is less than the amount of 1pc grinder + 1set pour over.