Mattress Support Heights: 12½", 18", 20½ (from floor). From RH website: RH cribs are designed and engineered to the highest safety standards. In addition to RH's own superior level of safety standards that meet or exceed those set by the Consumer Product Safety Commission and American Society for Testing and Materials, each crib undergoes rigorous testing by independent laboratories for compliance with all US and Canadian crib.
Oddler Bed Conversion Rail: 52"L x 1"W x 13H. Toddler Bed Conversion Rail Weight: 26 lbs. Premium Eco Crib & Toddler Mattress. 27¼"W x 51¼"L x 6H Greenguard Gold Certified.Premium Eco Crib Mattress Pad. The item "Restoration Hardware Adele Panel Crib White Convertible Bed Premium Eco Mattress" is in sale since Thursday, February 7, 2019. This item is in the category "Baby\Nursery Furniture\Cribs". The seller is "lleibfla" and is located in Tampa, Florida. This item can be shipped to United States.