Abstract: A flexible substrate or mat incorporating an image is provided. The mat may include a flexible sheet of a plastic foam. The sheet may include an image at least partially embedded into at least a portion of the sheet, and the tackiness of a first side of the sheet may be minimally affected by the image. The image may be formed by inks, such as solvent inks, or UV curable inks. The mat may be made of a plastic or a rubber, and it may be sized and shaped for use as a yoga mat. The image may be a digital image.