Let your little one dream big with the Dorel Wayfair Sleep crib mattress. The high-density thermo-bonded polyester core offers ultra-firm support to ensure a restful night of sleep. This durable is lightweight and easy to maneuver and flip; plus, it makes nighttime wake-ups quick and simple thanks to the waterproof and stain-resistant 100% Vinyl cover that wipes clean in no time. This mattress is made without the use of flame retardant chemicals and has achieved GREENGUARD Gold certification, meeting the standard for low-chemical emissions for a sleep environment that's always safe and sound. Assembled in Canada, this mattress comes with a 10-year limited warranty.