Contemporary & comfy for peaceful nights of slumber! Bring home the Dream On Me Firm Fiber Standard Crib Mattress to complete your nursery necessities. Designed to adapt to your little one s growing body with pediatrician-recommended firm fiber, it combines durability & safety. This 5-inch Crib & Toddler Mattress is packed with necessary elements to keep you and your baby sleeping soundly like a Greenguard Gold Certification, Jpma certification, Federal Flammability Standards certifications and a 5-year limited warranty! It s lightweight at just 6 lbs. with a waterproof soft vinyl cover, making it easy to clean, and dimensions of 52” L x 28” W x 5” H (inches).