[NEW - IMPROVED MATTRESS] - Thicker, padded mattress provides a cozy spot for your little one to nap or play ULTIMATE PORTABILITY – Simplifies on-the-go sleep with a lightweight frame, fast, snap-open set up, compact fold and zippered carry bag for a convenient travel crib. ZIP-OPEN SIDE PANEL – For gentle placement of younger babies or easy in-and-out for toddlers, a side panel conveniently zips open to a full-size, waterproof mattress with fitted sheet and baby play area for infants and toddlers up to 35” tall GREENGUARD Gold Certified – GREENGUARD Gold certified for low chemical emissions, contributing to heathier air quality around baby. ZIP-OFF FABRICS – Mattress cover and frame fabrics on the playpen are removeable and machine washable for easy cleaning.