Monogram International Alice in Wonderland Mad Hatter Pewter Key Chain Why is a raven like a writing desk? A stunning pewter key chain featuring the Mad Hatter. Based on Walt Disney's classic animated Alice in Wonderland film! Alice in Wonderland Mad Hatter Pewter Key Chain. Celebrate your next unbirthday with this stunning pewter key chain featuring the Mad Hatter! Based on Walt Disney's classic animated Alice in Wonderland film, this is one key chain you'd be mad not to own! Order yours today! Measures about 2 3/4-inches tall x 1 7/8-inches wide x 1/8-inch deep.