Looking for a durable yet comfortable crib mattress for your baby? This mattress not only comes with an extended warranty for a long-lasting life, but it also features a soft, supportive sleeping surface. An ideal mattress for those who are planning on having a multi-child household. Kolcraft has become America`s #1 crib mattress manufacturer and continue to strive toward their commitment to quality, value and service. Features: -Tapestry laminate -150 heavy gauge steel coil innerspring for firm support -Heavy gauge steel border rods for side, corner and edge support -Non-allergenic -Perma-Dri® cover wipes clean with a damp cloth -Also fits toddler bed frames -Fifteen year warranty on workmanship and materials -Meets Federal Flammability St andard 16 CFR 1632 and California Bureau of Home Furnishings Technical Bulletin 603 Specifications: -Mattress designed to meet Federal Standards for full-size cribs with a minimum of 27.25" x 51.625", not to exceed 6" thickness -Dimensions: 27.5" W x 52" D ***Please note that these products cannot be shipped to Puerto Rico. We apologize for the inconvenience - feel free to call us regarding alternatives