260 Heavy Duty 15.5 Gauge Steel Coils for Maximum Durability * 9 Gauge Border Rod for extra strength and support (The lower the gauge the thicker the steel) * Natural coconut fiber Insulator-pad for additional durability * Organic cotton on the infant side provide support to baby"s developing spine while Memory foam on the toddler side for unsurpassed comfort * Dimension: 52"" x 27.5"" x 5.75""