The compact and lightweight design of these curtain track rollers makes them an for modern interiors. Their ability to adapt to curved or straight tracks provides flexibility, while the noise-reducing feature ensures a peaceful ambiance, meeting the needs of users seeking both practicality and style. Features -Color:Multi -Material:Plastic -Size:3.50X2.00X1.50cm/1.38X0.79X0.59in -Wheel diameter: 12.5 mm -Suitable inner height: 14-20 mm -Suitable inner width: 20-25 mm -Advanced silent technology: nano bead technology ensures gliding, suitable for maintaining a peaceful environment -Compact and efficient: the mini wheel design is tailored for narrow spaces, offering a practical and spacesaving curtain solution - and safe: made from plastic, these rollers protect your curtains from damage while ensuring long term durability -Seamless gliding: designed for smooth and effortless movement, these rollers provide a reliable and userfriendly curtain experience -Broad usability: suitable for a wide range of applications, including windows, closets, bedrooms, offices, dining rooms, and sliding doors Package list: 50 x curtain track accessories