Premium Comfort: Our pack and play mattress is crafted with high-quality foam that （Density 45）provides optimal support for your baby’s spine, ensuring a restful and safe sleep environment for your little one. | NO GAPS: Standard rectangular design of the pack n play mattress fit better into the four corners of the pack n play. No risk of unsafe space and gaps, ensuring maximum safety for your baby. | REMOVABLE & WASHABLE COVER: Pack 'n play mattress cover is soft, and removable fabric design Machine washable, The outer layer is an ultra-soft Cotton cover and made of hypoallergenic mixture durable fiber. | Safe and Non-Toxic: this pack n play mattress is soft, breathable, and hypoallergenic, keeping your baby protected from allergens and harmful chemicals. | Highly resilient , breathable and high density foam comfort and support. | Supportive Design: Constructed with advanced foam that supports your baby’s spine, this pack n play mattress provides the necessary comfort and stability for healthy growth and development.