Features: Wall & furniture protection: Collision between wall and bed damages both. Neither the scratch marks on the wall nor-the scrapes of furniture paint will look good. This collision avoider ensures that there is a reasonable distance between the two. Adjustables length: Unscrew the anti-shake tool to adjust its length and vary the distance between the wall and the bed as per your need. Multifunctional: This headboard stabilizers can not only prevent the bed from shaking, but also protecting your walls from damage, the soft cushion will protection your walls Wide Application: The headboard stoppers is suitable for any furniture that is easy to shake, such as beds, sofas, bookcases decorative cabinets, etc. Easy to Install: Its very easy to install, just uncover the sticker and paste it where you want, the super stickiness will makes it never slip, then adjust the length by loosening or increasing the screws, to make it firm Notice: 1.Actual color may be slightly different from the image due to different light effect. 2.Please allow 1-3cm deviation due to manual measurement Description: Quantity: 4pcs Adjustables range: S: 33-40mm, M: 47-64mm, L: 67-87mm