A Trundle provides a twin bed that stores under the primary bed.

ROLL OUT TRUNDLE BED:Our solid wood twin trundle features fixed wheels allowing the trundle to travel in a straight path. On a hard wood floor the space between the bottom of the side rail and the top of the Trundle slat system is 9.5 air space for a mattress (allow a little space for the sheets and comforter). Uses a standard twin size mattress 39 x 75.Trundles are available in all finishes.