- Overall Length - Head to Toe: 52''
- Mattress Fill Material: Polyester
- Hypoallergenic: Yes
- The strong and stable sleeping surface of Serta’s Nightstar deluxe crib and toddler mattress will provide a safe sleep environment for baby. Offering balanced support throughout with heavy-duty coils this crib mattress features full perimeter border wire and a stain resistant waterproof vinyl cover.