Material: PVC+Metal Flexible but Durable: This curved ceiling track can bend and twist to fit any shapes and sizes without the need for any special tools. The plastic is designed to be flexible, but the metal inside is strong enough to not crack or break. Combine or Cut Down: Extend the curtain tracks together by connecting the ends to form one continuous track. Or cut the curtain track down to size with a fine-tooth hacksaw.There is practical design to reduce the noise when sliding the carriers. Easy to Install :There is a step-by-step instructions in the package.The curtain track is mounted to the ceiling using snap-on brackets and slide on track rollers for easy installation. If any question ,please contact us. Multiple uses: The ceiling flexible curtain track looks great in any setting. The curtain tracks make the perfect room divider, window treatment or bay, shower track, RV, trailer, motorhome, or any tight spaces to max out your space and gives you instant privacy. Package Includes : flexible curtain track, track rollers,snap-on ceiling brackets, end covers