Crafted from non-, self-extinguishing materials, these extenders a tight fit against all box styles, eliminating gaps and meeting stringent electrical codes. The patented real flange design enhances and compliance. Universal Compatibility: Engineered to accommodate any outlet box type, including PVC, Metal, and Fiberglass, whether New Work or Old Work. This versatile extender is the solution for installations where traditional boxes falter. Effortless Installation: Designed for simplicity, our extenders can be installed without the need to remove or reposition the existing outlet box. This hassle-free approach saves time and simplifies the process for both DIYers and professionals. Built to Last: Constructed with a robust base, these extenders are ideal for both construction and home improvement projects. They a secure fit and durability, even when the wall box is exposed. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Blue Material:Plastic Package Contents: 5 * Electrical Outlet Extender 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.