High quality: The track curtain hooks are made of high quality plastic. These curtain rail gliders 't stain your curtains due to rust compare to metal ones.Flexibility sliding: The white curtain hook can perfectly fit the curtain, and the sliding is very flexible and . It can move quietly and evenly without dragging, effortlessly, and easy to open and .Easy to install: The installation of curtain hook glider is simple and convenient, saves time and effort. You only need to add to the curtain rails, no additional tools.Wide applications: The curtain sliders can be applied to the track type curtain, the pulley of curtain hooks sliding on the track type curtain , more efficient, to make your room more comfortable.colour: whiteMaterial: plasticSize: 29mmPackage Contents:200 x Curtain GlidersOnly the above package content, other products are not included.Note: Light 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.