Padded and lined with nylon and cotton with a ribbon-trimmed, soft, fleecy blanket. Easily rolls up and can be carried by the toddling toddlers on their way to Mother's Day Out, preschool, or as a sleeping bag. They are 18.5" by 45". All nap map prices include the monogram of one name in boy block or girl script font on the outside pocket. The nap mats are Oh Mint Brand and amazing quality.