What is the size of a standard bed?

The bed size standard of each hotel is different. The bed width of the standard room is basically between 1.2m and 1 .35m. The opening time is basically1.2m, and the express hotel may be1m.. The new hotel is now 1.35 meters. The bed quilt in the hotel standard room is 1.5× 2m, and the bed in the standard room is generally 1.2× 2m.