From their announcement:
LITKO Game Accessories (Valparaiso, IN) is proud to announce we have been granted official license by Mayfair Games (Skokie, IL) to produce and distribute the new LITKO Settlers of Catan portable Dice Tower. LITKO is excited to be affiliated in this capacity with the Settlers of Catan brand, and with Mayfair Games. The portable dice tower is made of high quality laser-cut acrylic in the vivid red and golden Catan colors.
We've included thematic etching depicting the original box cover artwork as well as the Catan logo. The function of the tower is to roll and keep your dice in the tower, and off the floor. This also keeps errant dice from skipping across the game board and disrupting game pieces. The Catan Dice Tower can be assembled and disassembled in seconds, and is engineered to store flat inside the original Settlers of Catan game box. The Catan Dice Tower will be available for sale by GenCon 2011 at the Mayfair Games booth, on-line at www.LITKO.net, as well as through distribution, LITKO retailers, and of course Mayfair Games. The tower carries a Suggested Retail Price of $19.99.