Features: The Slide Stopper Holder effectively prevents mattress slippage on metal bed frames while creating extra bedside storage space, featuring a thickened rust resistant metal construction for long lasting stability. Adjustable width and height ensures compatibility with most bed frames, paired with protective metal plates to guard bed surfaces from scratches during installation. Ideal for households with active sleepers, elderly residents, or childcare environments where mattress stability and bedside organization are critical for safety and convenience. Perfectly suited for bedrooms with metal framed beds, hotel setups, or compact living spaces requiring secure mattress anchoring and practical storage solution without permanent modifications. Effortless assembly under 2 minutes makes this mattress stopper a upgrade for maintaining bed alignment and maximizing bedroom functionality year round. Specifications: Component: Metal Color: Black Package Includes: 2pcs Mattress Slide Stopper note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.