Hello Kitty Dry Erase Self Adhesive Calendar Wall Decal - 20" x 30" The Dry Erase Hello Kitty Wall Calendar is self-adhesive and is easy to apply. Can be removed and re-positioned on to surfaces when needed. Monthly calendar will never expire! Perfect for writing in notes and reminders! Includes black dry erase marker. Makes a great gift! Dimensions: 20" x 30"