The Costway 59 Inch Folding Breathable Baby Bed Rail Guard is designed for safety and convenience. With an adjustable angle from 0 to 180°, it allows children to easily get in and out of bed. Constructed from durable mesh fabric and reinforced with steel tubes, this bed rail ensures great stability and longevity. It includes a fastening belt to secure it to adults' beds and features a removable cloth design for easy cleaning. Assembly is quick and tool-free, making it universal for any type of bed, including full, king, queen, and twin sizes. Please ensure that the mattress thickness is more than 3 inches for optimal use.