Enjoy a more natural night's sleep with the Helix Birch Kids Natural 8"" Mattress from Brooklyn Bedding, made exclusively with cotton, wool, and Talalay latex. Treat your little one to the natural mattress of their dreams! The Birch Kids Natural Mattress is a professionally endorsed mattress made with certified hypoallergenic materials. This flippable natural mattress features a firmer side, for developing children ages 3-7, and a softer side for children ages 8-12.