http://www.virgingalactic.com/overview/spaceships/

SpaceShipTwo uses all the same basic technology, carbon composite construction and design as SpaceShipOne. However it is around twice as large as that vehicle and will carry six passengers and two pilots. It is 60ft long with a 90″ diameter cabin which is similar in size to a Falcon 900 executive jet albeit with no floor dissecting the cabin allowing maximum room for the astronauts to float in zero gravity. Each passenger gets the same seating position with two large windows: WINDOW SIZE one side window and one overhead, so that, if you don’t want to float free in space, and you’d rather just remain in your seat, you still get a great chance to see the view. No more squabbling over who has the best seat!