【Material】: The curtain rail track pulley is made of high-quality plastic, which is moisture-proof, anti-corrosion, deformation resistant, and durable. 【Beautiful and Practical】: The curtain track rollers has a beautiful appearance Besides, the slide roller is equipped with a hanging ring, which is convenient to use and not easy to fall off. 【Mute Design】: The double wheel design makes the curtain track fit tightly, which could slide steadily and reduce noise. 【Strong Bearing Capacity】: The curtail track slide roller is made of thickened wheel frame, which can be used with curtains of various weights and styles. 【Widely Used】: The slide roller is suitable for hanging curtains, room partition curtains, wardrobe curtains, shower curtains, etc.This slide roller is only suitable for 11-millimetre rail in Image,please check the size before ordering to ensure compatibility.