Cleopatra conversion kit consists of two design specific bed rails and two sets of wooden support slats. allowing you to convert your crib to Full-size Bed. This kit including the slats are made of Beechwood hence offering superior weight resistance and excellent support for a standard full size mattress without the need to use a box spring. Compatible with Cleopatra crib models #7501 and #7502 this is available in over 10 finishes to customize and make it match your style. Greenguard GOLD Certified Construction key facts: Made in Europe 100% Solid hardwood Non-toxic, water-based and organic oil finishes No Formaldehyde or VOC emissions Greenguard GOLD Certified All Romina products meet US standards and CPSC requirements.