Sealy Ortho Rest Crib Mattress: * Features 150 heavy-gauge steel coils interwoven for a firm foundation * 2 non-allergenic layers provide lasting durability and support * Reinforced cover and binding resist liquids and stains and wipes clean with soap and water * Waterproof lock-stitched binding helps prevent mold, mildew, and odor * Airflow pocket helps keep mattress fresh without the use of small metal vents * 10-year warranty on workmanship and materials * Sealy Crib and Toddler Mattress fits all U.S. standard-sized cribs and toddler frames * Ortho Rest mattress meets or exceeds all flammability, and lead testing and does not contain toxic fire retardants * Sealy Crib and Toddler Mattress model #EM361-PML * Dimensions: 51.625 x 27.25 x 5.25