Now that s a win-win! The Max and Lily Twin Bed with SIngle Guardrail is the perfect combination of functional and fun. Bed safely fits standard twin-size mattresses. Solid, knot-free New Zealand pine wood adds strength and stability. All Max and Lily products use a durable finish. Flush, color-matched hardware gives this twin bed a clean, modern look. Single guardrail provides extra sleep security. Instructions and required hardware are included. With solid plywood slats and a metal support bar, this sleeping surface can support 400 pounds of resting weight. 2+ adults makes assembly simple and easy. Please note that while add-on guardrails rails can help restrict access and give a sense of protection, they do not prevent all accidents or injuries. Only for use on bottom bunk/bed. Must be attached to the bedpost. Do Not use an add-on guardrail in place of or to extend the height of the guardrails provided with your Max and Lily bunk or loft bed.