This UPGOGO Toddler Bed Rail Guard is a foldable mesh safety rail designed to keep toddlers secure while sleeping. It features breathable transparent mesh for visibility and airflow, a U-shaped base design for stable contact with the mattress, and a folding hinge that makes it easy for children to get in and out of bed; the rail is marketed to fit different bed types including fabric, platform, slatted, iron frame, wooden beds and cribs and is promoted as non toxic, easy to clean, and built to last.