Baby Mod Crib Mattress: * Fits all standard baby Cribs and toddler frames * One side is for infant and the other for toddlers * Side 1 has firmer support for infant * Side 2 has cushy comfort for the active toddler * Non-toxic reinforced triple laminate water-resistant cover * Meets Federal Flammability Standard CFR-1632 * Non-allergenic construction * Meets all federal requirements for full-size cribs * 25 year warranty * Dimensions: 52" x 27.5" x 6" * Weight 14 lbs