Double Room is Similar to the twin Room , but the Double room maybe with just one larg bed , but the twin with two beds ,, And the King Size bed is so larg than the Queen-size , Queen size just for one Person , but the King size is larger than it , may take 2 persons or more , Thank you ^_^

twin room refer to a room with two single beds, single room refer to a room with a double bed. queen-size bed room refer to a room with a large-size bed king-size bed room refer to a room with a super-size bed