High quality: The curtain rail hooks are made of plastic. These curtain rail gliders will not stain your curtains due to rust compared to metal. Flexibility gliding: The white curtain can perfectly fit the curtain, and the gliding is very flexible and smooth. It can move quietly and evenly without pulling, effortlessly and easy to open and close. Easy to install: The installation of the curtain glider is simple and convenient, saving time and effort. You just need to add the curtain rails, no additional tools needed. Wide application: The curtain rails can be applied to track-type curtains, the curtain hook pulley slides easily on track-type curtains, more efficiently, to make your room more comfortable. Color: white Material: plastic Size: 29mm Package contents: 200 x curtain gliders Only 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 allowed measurement error is +/- 1-3 cm.[CO]