High quality: The track curtain hooks are made of high quality plastic. These curtain rail gliders won't stain your curtains due to rust compare to metal ones.Flexibility sliding: The white curtain can perfectly fit the curtain, the sliding is very flexible smooth. It can move quietly evenly without dragging, efftlessly, easy to open .Easy to install: The installation of curtain glider is simple convenient, saves time efft. You only need to add to the curtain rails, no additional .Wide applications: The curtain sliders can be applied to the track type curtain, the pulley of curtain hooks sliding on the track type curtain easily, me efficient, to make your room me comftable.colour: whiteMaterial: plasticSize: 29mmPackage Contents:200 x Curtain GlidersOnly the above package content, other products are not included.Note: Light different displays may the col of the item in the a little different from the real thing. The measurement allowed err is 1-3cm.