Shop name: Chong Qing Shuo Yue Ke Ji You Xian Gong Si Quality and size: Made from quality plastic material, ensuring durability and protection for your curtains. Dimensions are approximate. The diameter of the curtain rail is 14 mm. What you get: 50 ceiling curtain track rollers (long tracks not included), suitable for curtains in various rooms of your home. Sufficient quantity for personal use and sharing with family. Smooth sliding: These curtain track rollers move freely and smoothly within the track. Compatible with various track shapes for seamless operation. Versatile use: Flexible ceiling curtain tracks are ideal for room dividers, window decorations, shower enclosures, trailers, or space-saving partitions, providing instant privacy. Simple installation: Easy to install. Check the suitable size for your space. Compatible with beam curtain tracks. Rollers glide smoothly from track to track, allowing easy opening and closing. Color: White Material: Plastic Size: Height approximately 40 mm Package Contents: 50 x Ceiling Curtain Track Rollers Note: Light and display settings may cause slight color variations compared to the actual item. Measurement allowance is +/- 1-3 cm.