Designed to provide an economical alternative to bed rails. When the user is in bed, simply slide the Nightguard under the mattress. The weight of the user secures the Nightguard and prevents the user rolling out of bed. Constructed from sturdy epoxy coated steel, the easy to assemble Nightguard is supplied flat packed. Features removable cords that clip to the bed frame for additional security. Only suitable for Divan beds.