1、FUNCTION: Designed for metal bed frames, it can firmly fix the mattress on the bed frame, preventing the mattress from sliding around while sleeping and improving the quality of sleep. 2、APPLICABLE SIZE: Suitable for most standard size bed frames within 2 inches in height and 5 inches in width, which is widely applicable and can meet most users' needs. 3、ANTI SCRATCH: Designed with polished screws, it can effectively protect the mattress from scratches and ensure that the mattress will not be damaged. 4、EASY INSTALLATION: No need for tedious drilling and installation. Each anti slip mattress baffle comes with 2 sets of nuts, simply place the nuts through the mounting holes and fasten the nuts on the bed frame, easy and quick installation. 5、DURABLE STEEL MATERIAL: Made of durable steel materials, strong enough to hold its shape when under stress, with good durability and stability. 2 x Mattress Slide Stopper4 x Screw4 x Screw Cap4 x Nut4 x Washer4 x Accessory Item Type: Mattress Slide StopperMaterial: SteelWeight: Approx. 870g / 30.7ozApplicable Height: 6.5cm / 2.6in (Maximum)Applicable Width: 3.8cm / 1.5in (Maximum)Height: 17.5cm / 6.9in