?Size? Our pack and play mattress is 38,ong by 267ide and 34hick with rounded corners and excellent edge support closely fit most pack and plays. There is no risk of unsafe space or loss of the pacifier on the sides or corners of the mattress pad of this game bed. We recommend measuring your playard before purchasing mattress to ensure proper fit. | ?100% Waterproof Bamboo Cover? Removable breathable cover with smooth bamboo surface and TPU waterproof layer that can be washable and extremely soft to the touch for your baby. It is easy to clean up after a night accident, especially when side leakage occurs. | ?Double-Layer Memory Foam? The pack n play mattress has a layer of gel-infused memory foam inside which provides cool comfort for infants or toddlers. At the same time, high-density support foam increases the durability of the mattress while providing ample support. | ?Dual Comfort Playard Mattress? Thoughtfully designed with safety and comfort in mind, the crib mattress comes with dual firmness - firmer, flat and even surface promotes proper support for infant, slightly softer memory foam side provides maximum comfort for toddler. | ?Soft and Breathable? Smooth bamboo jacquard surface, naturally, breathable cover is skin-friendly for baby and made up with high density foam, it gives toddler a comfortable night's sleep while baby can play, rest and relax on the playpen mattress.