Core Bolsters are durable aids for clinical or home use. They provide support under the legs, arms, feet and other areas of the body. Constructed from precision cut, high quality foam and encased in an easy to clean vinyl cover. Bolster size matched to the width of most standard treatment tables, making this bolster easy to use. Available in black. The Dutchman Roll Bolster is an all purpose positioning aid with the firm support of precision cut foam. Dutchman Rolls are 18 inches in length with heights of 6 and 8 inches.