- Overall Length - Head to Toe: 52''
- Mattress Fill Material: Foam
- Hypoallergenic: Yes
- The Complete Crib & Toddler Mattress features layers of high-density fiber for a firm 100% non-toxic mattress that provides a durable sleeping surface without the weight of coils. A medical-grade waterproof cover repels liquids and keeps allergens from entering the mattress core. Materials are 100% non-toxic and free of polyurethane foam vinyl and chemical flame retardants. An easy flip of the mattress provides a cushier surface for your toddler.