Check the listing for details. Curtain Track Rollers Plastic Drapery Rails Sliding Glider 10/20/30/50pcs. Color: Silver, White, Condition: New. Listed at 25.76 USD. Description: This kind of wheeled carriers are fit for curtain track. Carriers easily move from track to track and from open to closed.Plastic wheels are free rolling and slide smoothly within the track. The material has strong environmental adaptability, they are suitable for using in humid places.For pleated curtains with pin hooks, just insert the pin hooks in the eyelet on the bottom of the carrier. For curtains with grommets or loops on the back, just add the hooks. To hang flat panels or rod pocket curtains, use the pinch clips and make your own creation.Ideal for for holding curtain panels, room dividers, drapes, sheers, and valances. Widely used in windows, closets, bedrooms, office, restaurants, sliding doors, etc.