[Stable Mattress]]6 Pack Non-Slip Metal baffle, Insert It into the Bedside to Keep the Mattress Stable.No More Sliding Mattress Interfering with Your Sleep.No Need to Adjust the Mattress Every Day. [General]]The Width of the Mattress Slider Is Adjustable, and the Range of Adaptation Is Wide. Adjustable up to 1.38 inch Width, Fits Most . [Avoid Scratching]]Add a Piece of Metal Strip to Lock It Firmly on the Bed Frame While Protecting Your Bed Frame from Scratching.Embedded round Bolt Not Scratch the Mattress as Easily as Wing-Shaped Screws. [Easy to Install]]Non-Slip Mattress Gripper Using round Inner Hexagon Screw and Small Wrench, Assembly Is Simple and Quick, Tightening and Disassembly Are Easy. Product name: Adjustable Mattress Baffle Model: Mattress anti-slip baffle Process: painting Scope of Application: Indoor Style: Modern Simplicity Colour:black Material:Metal Package Contents: 6 * Adjustable Mattress Baffle 1 * 6-angle wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.