Plastic material: Curtain track hooks are made of high-quality plastic, chemically stable, wear-resistant, with good impact resistance and long service life. These curtain rod glides will not stain your curtains due to rust compared to metal ones. Smooth, reduce noise: Plastic curtain hooks can be installed and used to slide without additional accessories. Whether on iron slides or plastic slides, these small hooks can work very well, sliding smoothly, without too much noise, as long as they are installed well, there will be no blockages or tangles. Easy to use: These curtain hook glides can be easily added to curtain tracks. You don't need any other tools, just insert the carrier rollers into the track from the end of the track, very easy to use. Wide Application: This curtain hook accessory is widely used. It is suitable for curtains of various fabrics, such as cotton, linen, polyester, silk, etc. It is not easy to deform, suitable for the production of living room, bedroom, study,