This organic latex crib mattress will provide your baby with a safe, chemical-free sleep environment. Each crib mattress is made by hand in Soaring Heart's Seattle showroom. Crafted from the highest-quality materials, including organic natural latex, organic Pacific North West Eco-Wool, and organic cotton. Free of flame retardants. All of Soaring Heart's crib mattresses are made of firm yet supple latex to safely support your baby. Soaring Heart's crib mattresses are designed for a slatted crib and have passed all flame retardants laws using a proprietary needle punched wool. Crib mattresses are 285/8" x 523/8" and fit all standard cribs.