27.5" x 52" x 5"
 
Our award-winning Premium mattress is highly revered and highly rated by mattress professionals, industry leaders and parents alike. This 5” dual-sided top seller supports both newborns and toddlers with a high-density infant foam side and corresponding plush foam toddler side. Simply switch the mattress when your little one is ready for the next step, using the arrows on the mattress tag as a guide.
The Premium mattress is comfortably topped with a medical grade, flexible performance, 4-way stretch-knit cover that delivers waterproof, hypoallergenic, anti-microbial, odor and stain resistant properties in the cover.
Featuring CertiPUR-US® certified foam infused with plant oils and wrapped in a woven fire barrier with no spray-on FR chemicals, our crib mattresses take sleep seriously. 
Moonlight products are made lovingly in the United States using only premium materials and innovative manufacturing processes. All Moonlight crib mattresses offer a Lifetime Product Warranty.