Maximize the sleeping space in your room with our XL Trundle Bed. Crafted with premium solid hardwood and strong plywood slats for both durability and comfort. Our trundle bed rolls easily on strong metal casters. Fits perfectly underneath any Maxtrix Kids Twin XL, Full XL and Queen bed. The mattress support slats are spaced 2.75” apart. Our XL trundle takes standard twin size mattresses. For optimal safety, mattresses should not exceed 6” in thickness.