ADJUSTABLE LENGTH - Window seal plates consists of three plates. Adjustable range is from 17 inch to 43 inch, widely used in sliding glass windows or doors.EASY TO INSTALL - Slot each plate together and slide it to the desired length. Lock the screw to complete the installation. Works with both vertical and horizontal sash windows and easy to remove.DURABLE MATERIAL - Made of PVC material, light and strong. It's an excellent kit to work with the air conditioner.SLIDE AND LOCK - Unique use of locator screw as a fixing method. Just use a nut to lock, you will get a sturdy AC window seal. Will not slide easily.colour: whiteMaterial: PVCSize: Adjustable range 43-110cmPackage Contents:2 x Fixing Plate1 x Adjustable Plate1 x Exhaust Hose Adaptor3 x turnbucklesOnly the above package content, other products are not included.Note: Light shooting 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.