just received mitts but they cannot be used [SEP] convenient washable liner included is stated in the sellers item description on the packaging and is listed in the safety instructions as a requirement for use yet no type of liner was included with the product sellers description and packaging description states mitts have three heat settings but the only options are for off and and for what must be low and high the odor of the plastic is overwhelming similar to that of a cheap beach float on the important safety instructions states never use pad without cover in place but no cover was included with the mitts i read where one reviewers mitts had a massage feature lucky buyer to have received what they paid for and something extra