"Pop up" Trundle by Coaster is made to go under day beds as a trundle. This pop up design will pop up to bed height to make a full size bed when joined with the day bed. This trundle bed has caster wheels for easy sliding under daybed. Versatile trundle unit neatly stores under your day bed and pops up in seconds to hold a twin size mattress for added sleeping. The pop-up nature of the trundle allows storage underneath beds, in closets, or in regular storage areas without complications. Maximize your child's bedroom experience with this simple pop-up trundle meant for daybeds. Plus, you'll enjoy its simple manageability and style.