Contains 35 pieces. ★Instructions are not included. If there's anything you're concerned about, I will add images, so please let me know in the comments. ★The product has been opened for inspection, but it is unused. ※If you have any questions, please ask in the comments. 【Applicable Rail Size】 Compatible with curtain rails with a groove width of approximately 6.5mm to 8mm. The size applies to general rails, but it is not universal. Before purchasing, please be sure to check the size of the groove of your curtain rail. Curtain Runner Curtain Rail Parts Silent Groove Width Approx. 6.5-8mm Compatible Square and C-type General Purpose Load Capacity 35 pieces 7.45