This is the most luxurious natural organic mattress available. It is firm, fire-safe, and eliminate harmful chemicals from your sleeping environment. The Naturepedic mattress has an organic cotton filling which is unbleached, undyed, and grown withou t synthetic pesticides, herbicides, or chemical fertilizers. It will provide you with a more natural, healthy and comfortable sleep. The optional Organic Cotton Waterproof Mattress Pad and Non Waterproof Organic Cotton Flannel Mattress Pad are soft a nd breathable mattress pads that provide a non-sweaty and comfortable barrier. These pads in combination with the Quilted Deluxe Organic Cotton Mattress will help bring sweet dreams to your child. Features: -Organic cotton fabric with an easy-to-clea n 100% polyethylene coating top -Quilted organic cotton bottom -No wool or latex -Heavy-duty orthopedic innerspring -Exclusive FlameBreaker fire protection -Meets and exceeds all federal and state flammability standards -Made in the U.S.A Specificati ons: -Crib mattress: 252 Coils - Crib mattress also fits toddler bed -Flat changing table waterproof pad dimensions - 15" W x 30" D -Crib waterproof pad dimensions: 28" W x 52" D with corner straps -Twin waterproof pad dimensions: 38" W x 75" D with corner straps -Full waterproof pad dimensions: 53" W x 75" D with corner straps -Queen waterproof pad dimensions: 60" W x 80" D with corner straps -Flat changing table flannel pad dimensions: 18" W x 28" D -Crib flannel pad dimensions: 28" W x 52" D with corner straps -Twin flannel pad dimensions: 38" W x 76" D with corner straps -Full flannel pad dimensions: 50" W x 76" D with corner strap