Serenity Cribs offer color-coordinated finishes that are matched with hardware and casters. High-quality construction includes mortise and tenon joinery and high-strength fasteners. Fixed-side crib features a lower profile, providing easier accessibility to infant. Smooth, plastic teething rails protect child and crib. Includes Professional Series three-inch ultra-durable antimicrobial mattress and two-inch non-marking casters. Foundations uses only wood certified to having been harvested with safe and responsible forestry practices, and all products comply with the PEFC certification seal. All Foundations' cribs are independently certified by the Juvenile Products Manufacturers' Association (JPMA) that they meet all applicable mandatory and voluntary standards published by the CPSC, ASTM and JPMA which includes 16CFR 1220 for compact cribs and 16CFR 1219 for full-sized cribs.