Material: aluminum alloy Track color: white The package combination includes: 1. 6-foot-long track *2 2. End caps *4 3. track rollers *32 4. Stainless Steel Curtain Hooks * 44 5. Track connector * 2 6. Track ceiling mount brackets*8 7. Track wall mount brackets *8 8. Plastic expansion plug *1 bag Load-bearing strength: the bearing capacity of each track shall not exceed 50 kg Installation method and steps: 1. Accurately measure the size of the window for installation. The measurement method is as follows: A. Length of track for normal windows: window width plus 16 inches (if the window is wider, please add more buffer. In general, It should be ensured that the window will not be blocked when the curtains are fully open. ) B. Length of track for window with single side against the wall: window width plus 6 inches (ditto ) C. Length of track for window with double sides against the wall: width between the two wall minus 1/2 inch. 2. Cut the track according to the measured size and connect the track with the track connector. 3. Insert the track rollers into the track channel in turn and fasten the end caps. 4. According to the measured size, punch holes in the appropriate position of the ceiling or wall, and fix the Track mount brackets with expansion bolts. 5. Snap the connected track into the pinch clips of the track mount brackets(you will hear a click sound) (if the track is too long, two people should work together. ) 6. Check that the track is securely installed, then you can hang the curtains. tips: 1. Install the mounting brackets evenly according to the length of the different track so that the overall weight of the curtain track is averaged; 2. When the surface of the ceiling or the surface of the wall is not flat, the gaskets can be appropriately added during installation to ensure the smoothness of the track;