Designed to fit standard cribs and toddler beds, with square corners to ensure a snug fit Dual-sided mattress features one side that's suitable for babies and one for toddlers Premium sustainably sourced firm fibre core uses recycled bottles to reduce its environmental impact Waterproof, hypoallergenic vinyl covers on both sides are durable and easy to clean Lightweight design makes it easier to change the sheets Non-toxic construction ensures it's free from harmful chemicals and materials, including toxic fire retardants Meets or exceeds flammability, lead, phthalate, and CPSIA testing standards Greenguard Gold Certified product contributes to better indoor air quality by meeting the Greenguard Environmental Institute standards for low chemical emissions Dimensions: Width: 69.85cm (27.5"); height: 12.7cm (5"); depth: 132.08cm (52")