Extend the life of your 4-in-1 Serta crib with this Platform Conversion Kit. Easily converting your crib into a sleek platform bed, the headboard of the crib attaches to the strong and sturdy platform foundation. The platforms streamlined profile works in bedrooms small and large, and effortlessly adapts to a variety of decorating styles. Refer to your cribs instruction manual to ensure these rails are compatible with your crib.