Quality and size: plastic reels made of high-quality materials, you won't worry about damaging your beautiful curtains; Dimensions are approximate. Wheel diameter of 11 mm curtain rail is 11 mm What can you get: Can you get several curtain rollers (excluding long rails) to install large curtains? The specific quantity is available for you to choose from, and it can also be used in each room of your house. A sufficient quantity can also be given to your family and friends Smooth sliding: These curtain rollers can roll and slide freely in the track; The curtain guide rail adopts a variety of track shapes, and the sliding is very stable Multipurpose: This kind of ceiling flexible curtain railing looks good in most environments; Curtain rail is a good room partition, window decoration, shower rail, trailer or the most compact space, which can increase your space and give you instant privacy Simple installation: easy to use, check the installation suitable for your home size, suitable for beam curtain rail; The carrier can easily move from track to track, from open to close