Product Description The Hide Away extra long is 54" long. It is no more a hassle in making the bed or changing the sheets. This is easy to assemble and no tools are required. The Hideaway feature doesn't get in the way of making the bed or changing the sheets. "Extra Long 54" For Added Security". The actual size of the bedrail assembled is 54" long (hinge point). This bedrail can function as a guard rail on a platform style bed but will not be able to be tucked under the mattress. From the Manufacturer The Hide Away extra long is 54" long. It is no more a hassle in making the bed or changing the sheets. This is easy to assemble and no tools are required. The Hideaway feature doesn't get in the way of making the bed or changing the sheets. "Extra Long 54" For Added Security". The actual size of the bedrail assembled is 54" long (hinge point).