The Sure&Secure Single Bedrail is an essential item when transitioning your child from the crib to a bed. It folds down for parents to sit bedside or easily change linens. The bedrail requires minimal assembly for a quick, easy installation. Folds down for easy access to the bed or to change linens Accommodates twin to queen sized mattresses and platform beds Meets current ASTM F2085 bedrail standards Measures 42"L x 19"H Minimal assembly required Summer Infant, an award winning industry leader in developing infant and toddler products offers families safe and innovative solutions that provide peace of mind.