The Summer Infant Double Safety Bedrail is an essential item for transitioning your child from a crib to a bed. Unique design allows for quick, easy and secure installation. Each panel measures 42.5 inchL x 21 inch H to accommodate thicker mattresses. Accommodates twin to queen sized mattresses and platform beds. One side folds down for easy access to the bed, allowing parents to sit bedside or change linens. Color: Gray.