These hooks made of plastic which not easy get rusty and . Its white surface design which perfect for good work with any color curtains. And The track hooks are enough hard to bear the weight of the curtain and the curtain slider hooks make the curtain easily take on and off. Feature - Color: White. - Material: Plastic. - Size: 2.8x1.2x1.2cm. - Useful curtain accessories: package contains 50 pack white curtain track gliders, the quantity enough for a long time. - material: there curtain track hooks are made of sturdy and plastic, and enough to bear the weight of the curtain. - This size fits for most rail and curtain. - Glide smoothly: the slide hook is easy to glide on the rail, it will not be stopped when you open and close the curtain. - Easy to install: the plastic curtain hook is easy to use, just hanging the bottom of hook to the rail, and through your curtain hook to the ring. - Solid plastic curly hooks for attaching your curtain to the curtain pole rings, holding your nicely, white suitable for good work with any color curtains. Package list: Hooks