CONTOURED MEMORY FOAM PILLOW is designed with 2 slightly different foam rolls to allow different levels of support. Air circulates through pillow while relieving any pressure points. Urethane core is hypo-allergenic and covered with a soft solid white poly/cotton blend cover. Standard foam pillow has smooth surface. Convoluted foam pillow has eggcrate-type surface. Dimensions: 23 1/2 x 14 x 4 inches. This product is returnable if it is unused and sealed in its original packaging.