Twin XL size

Twin XL size mattress is 5 extra inches longer than Twin

This mattress size measuring 38 inches x 80 inches - The twin XL mattress is the same width as a traditional twin size mattress, while offering 5 extra inches of length.

In fact, its 80-inch length lands it at exactly the same length as the larger queen and king mattress sizes.

Two Twin XL is exactly one King size!