PACK N PLAY MATTRESS: Hygge Hush 38x26 inch rounded corner mattress is designed to fit snugly into any Pack n Play. 3" height thickness and high density foam makes it can be used for years without losing its shape..PLAYARD MATTRESS: Super Safe | Ultra-soft Jacquard cover is waterproof, Leak-Free and hypoallergenic, with lock stitched binding to resist liquids and stains. High-quality zipper permits easy removal for machine washing and drying..SLEEP IN COMFORT: Memory Foam Mattress helps your child sleep better by replacing the thin, hard mattress that comes with the pack-n-play. Constructed from top quality, high density foam, this mattress provides the perfect balance between firm support and soft comfort so your little one can sleep better-and you can too!.WASHABLE & EASY TO INSTAL: The Waterproof Polyester Cover is both removable and washable, making it easy to keep your mattress clean. After getting dirty, it can be removed and washed directly, which is very convenient..BABY PLAY MATTRESS: Hygge Hush is dedicated to providing families with products of the highest quality and safety. Made up with CertiPUR-US Certificated memory foam, Non Toxic, Safe and Comfortable for your children.