●Steel ●Durable and solidly-mounted gate ensures your baby avoids the stairs; Fits any opening as small as 24.75 inches up to 42.5 inches; Dimensions (L x W x H): 42.5 x 1 x 30.5 inches ●Secures firmly to your wall with the mounting hardware, providing a strong gate that your child cannot dislodge; JPMA certified to guarantee it meets the highest safety requirements ●Easily open the gate with one hand using the easy-release lever; Quick-release hardware lets you remove the gate when unneeded ●Constructed from heavy-duty steel with a non-toxic powder coat, remaining durable and safe for use around infants ●Designed specifically for use at the top of stairs, but also blocks hallways, divides rooms, and secures high-traffic hallways