PRODUCT DESCRIPTION The Sealy Orion Lightweight 2-Stage Crib Mattress and Toddler Mattress is a grow-with-me dual firm baby mattress made from lightweight, airy cushioning. It has a sustainable design made with a core derived from Earth-friendlier, upcycled materials tested for safe use with infants and toddlers. The tagged side is firmer and then you can flip it over for a cozier toddler side. A reinforced pearl-embossed waterproof and stain-resistant cover wipes clean and is durability tested for lasting use. Measures 52 x 28 x 6 inches for a secure fit plus square corner design snug corner fit. An airflow pocket designed into the bottom of the cover helps the mattress to breathe. It meets ASTM Crib Mattress standards for safety, quality and lasting durability. All Sealy crib mattresses are GREENGUARD GOLD Air Quality Certified for a healthier indoor sleeping environment. Parents trust Sealy crib mattresses because they are tested to the highest safety and quality standards and Sealy is globally recognized as a premier brand in bedding for almost 140 years. Parents voted Sealy as their favorite Healthiest Crib Mattress brand. FROM THE MANUFACTURER Sealy Baby offers the most trusted mattresses for cribs and infant sleep products. The leader in safe sleep, support & comfort, more babies sleep on a Sealy than any other brand. American-made baby crib mattresses and toddler mattresses, hypoallergenic protective bedding & breathable bassinets create the best sleep for babies right from the start.