9 Pack Replacement for Mr. Coffee Wff Water Filter Disks Wffpdq Brew Coffee Or Tea On The Go And Drink From Same Container When Ready Made of Vacuum-sealed; Double-wall Stainless Steel And Keeps Beverages Hot Or Cold For Several Hours Non-slip Silicone Grip Is Available In An Array of Bold Colors Spill Resistant Lid With Built-in Plunger Dishwasher Safe