Sammons Preston Adjustable Bed Cradle, Adjustable Frame Blanket and Comforter Lifter for Beds, Keeps Covers Off Legs and Feet During Sleep, Stay Cool in Bed Support frame elevates sheets and comforters to keep covers off legs and feet while sleeping Frame base measures 14" x 28" to securely slide between mattress and bed springs Adjustable frame version can accommodate heights from 18" to 27" Can be used on either side of the bed or on the end of the bed by sliding underneath the mattress Non latex, two-part frame sturdy enough to hold heavy blankets and comforters