MAINTENANCE ALERT: Reminds you to descale after every 250 brews. TRAVEL MUG FRIENDLY: Travel Mug ready fits a travel mug up to 7.25 tall. 3 CUP SIZES: 6, 8, and 10oz cup sizes to allow for additional customization. COMPATIBLE WITH THE MY K-CUP REUSABLE COFFEE FILTER: Brew your own ground coffee (sold separately). BREW IT ALL: Ability to brew any K-Cup® pod, giving you the flexibility to enjoy your favorite black or flavored coffees.