Bugaboo Donkey Twin Extension Set Black 185115ZW01, Unopened Includes main unit, instruction manual, and outer box. The outer box has some damage. This is an unopened item, but please understand this before purchasing. *Please note that we cannot ship to Okinawa,離島, Hokkaido, or Kyushu. A set to expand the Bugaboo Donkey. [Set Contents/Accessories] (1) Carrycot mattress (2) Carrycot wood board (3) Carrycot fabric The Twin Extension Set is required to convert the Bugaboo Donkey from duo mode (for two children) to twin mode (for twins). The Twin Extension Set is not included with the Bugaboo Donkey Mono or Duo Extension Set and is sold separately. To complete the Twin Extension Set, please purchase a Bugaboo Donkey Tailored Fabric Set in your preferred color. Both the Bugaboo Donkey Tailored Fabric Set and the Bugaboo Donkey Breezy Sun Canopy can be used with this extension set.