Unwoven fabric will have a coarse texture. In addition, the differences in the fabric thickness due to the coarse texture may create what appears to be oil stains, are not stains. / Clean and dry items before storing. / Do not use if the size does not fit. / Do not pull it with force or fill with pointed objects. / Do not bring into direct contact with white or light-colored walls for extended periods of time. / Keep away from fire and other sources of heat. / Do not use this product for purposes other than its intended purposes.