General description The 2 PCS Non Slip Mattress Gripper is designed to prevent your mattress from sliding off the bed frame. This adjustable retainer bar effectively holds the mattress in place, ensuring a stable and comfortable sleeping experience. Technical specifications Material: Metal Thickness of mattress brackets: 3mm (50% thicker than standard options) Compatible tube width: 0.3 to 1.38 inches Color: Black Installation The mattress holder is easy to install and dismantle. The winged screws configuration securely holds the mattress to the edge of the bed frame without the need for extra tools. Usage This anti-slip mattress gripper is ideal for anyone experiencing issues with their mattress sliding, particularly when sitting up against the headboard. It is suitable for various bed frames and mattress types. Other information Package Contents: 2 x Non Slip Gripper for Metal Frame Measurement allowed error: +/- 1-3cm