Product Features: Adjust the position of the curtain rod holder to change the distance from the window to the curtain. Comes with 2 types of non-slip liners. Thick liner for RÄCKA/LEKA curtain rod, Sheer liner for HUGAD/Hooguard curtain rod Add a BETYDLIG/Betty drill curtain rod holder sold separately and allow you to hang the curtain on two or three layers of layers, Use with RÄCKA/LEKA or HUGAD/Hooguard curtain rod The fixtures required may vary depending on the material of the wall and ceiling. Use fasteners suitable for walls and ceilings in your home (not included)