No Drill Half Circle Arch Cellular Blinds - 100% Blackout Self Adhesive Shade, Dual Color (White/Grey), Cuttable to Fit up to 72" W X 36" H - Easy Install for Living Room, Bedroom, Office. Anti-tilting or Falling: They are equipped with strong double-sided adhesive on the base and on the blind's side, which ensures a firm fixing and prevents the curtains from tilting or falling.