This bed rail offers adjustable height and length to suit various bed configurations and user needs. Its height adjusts between 15 and 17 in. while the base extends up to 34.2 in. in length for secure fit across twin through California King mattresses. Designed with an under-mattress mounting system, it avoids reliance on box springs or adjustable bases. The reinforced carbon steel frame supports up to 300 lbs. without deformation and features an anti-rust coating for durability. Padded ergonomic handles assist with sitting, standing, turning, or repositioning in bed. Installation requires no tools the base slides between mattress and frame, secured by non-slip pads and adjustable anchoring straps. It fits bed widths from 28 to 120 in. and performs best with mattresses 9 to 11 in. thick. 2 removable storage pockets mount on either side, holding tablets, books, remotes, or phones within arm's reach. The unit is detachable and compact for easy transport or storage when not in use. Color: Black.