The Graco Premium Foam Crib and Toddler Bed Mattress ships compressed in a lightweight box and is designed to fit any standard full-size crib or toddler bed. It's the ideal firmness for comfort and safety, and is made of high-quality foam that maximizes air flow. The water-resistant, hand-washable, removable outer cover will keep your baby’s sleep environment clean and cozy. | Graco Premium Foam Anti-Microbial Crib & Toddler Bed Mattress