evolur convertible crib wooden full-size bed rail is used to convert a crib into a full-size bed to accommodate your growing child. evolur proudly designs and builds high-value baby furniture which is made of solid wood construction, the baby furniture collections by evolur come in both contemporary and traditional styles. All pieces are crafted to be strong, beautiful, and ageless; the evolur universal bed rail can be used with the evolur Amsterdam Convertible crib.