Coventry features double-wall vacuum insulated stainless steel construction and 2 lids: clear plastic push-on lid with sliding drink opening and insulator ring for cans/bottles. To use insulator ring, place ring on can first, then screw into tumbler. Keeps drinks hot or cold for up to 6 hours.
Hand wash only. BPA Free and FDA certified.
201-304 Stainless Steel - PP Ring - AS Lid