Plushy Kids Single Pack Bed Rail for Toddlers (Brown, 33inch) package contains only one unit of bed rail in the selected sizes and color. Foldable & Extra Long Kid Bed Guard fits any mattress size: queen bed, king size bed, twin bed, full size bed, toddler's bed. It is a swing down bed guard that works with slatted bed, box spring bed or wooden base beds. This safety crib rail guard with reinforced anchor safety can be folded down with ease.