Suction HangingPressing the suction cup onto the glass door or window or ceramic wall with proper force, try to pull it out carefully and gently to make sure it is fixed firmly enough for hanging, then put the Christmas window lights onto the suction cup hook.Unique DesignThe 16 inch warm white snowflake silhouette light and coloured pentagram silhouette light for window decor completely fit for house glass window, and create a warm holiday atmosphere.Christmas DecorationsThis window silhouette light is the perfect addition to your holiday decoration. You can place the lighted snowflake and star Christmas window lights wherever you want to brighten your Christmas night for your family.Easy to InstallThis indoor lights for decoration, no need to waste time on assembling, the fully assembled one piece design is convenient and sturdy for hanging on desired location immediately. Just plug in and start your holiday.After-Sales ServiceYour satisfaction is our top priority. If the Christmas window lights does not perform properly, please contact us for a perfect service. Any problem with our indoor Christmas lights will be a priority settled