SWING DOWN: The patented swing down feature allows this bedrail to pivot down and out of the way when getting in and out of bed or removing sheets SAFE: 43-inches long and 20-inch tall for added security. Certified by American Testing Society and Juvenile Product Manufactures Association. Sturdy, all-metal frame EASY TO SET UP: No tools required SECURE: Anchoring strap that secures the bedrail to the bed. Designed with all steel frame FIT: For use with a twin to queen size bed. ONLY for use with bed and box spring