Standard Line Width Width: 40 mm (4 cm) Color: White or yellow (contrast with floor color) Material: Anti-slip paint, vinyl tape, or pre-marked synthetic flooring 2. Court Lines (BWF Standard) a. Boundary Lines Outer boundary (doubles): Width of court = 6.1 m (20 ft) Inner boundary (singles): Width = 5.18 m (17 ft) b. Baseline Marks back of the court Both singles and doubles... https://www.sports-facility.in/index.php