Simply place this microplush flannel footwarmer under the fitted sheet and plug it in. Using the wireless remote, turn on the bedwarmer once you’re all tucked in. Keeps feet nice and warm all night, for deeper sleep and overnight heat therapy. Quick-heating wire grid has 6 settings and automatic shutoff. 13-foot-long power cord plugs in anywhere. UL-Listed. Imported. Queen (60” W x 24” L), King (74” W x 28” L).