Just like babies, car windows come in all different shapes and sizes. Brica"s newest auto shade stretches to fit the shape of your window and stays in place with its super strong PushLock suction cups. The unique fabric blocks the sun’s glare without blocking the driver’s view. Connect two together to span oversized windows. For optimum product performance: Ensure window and suction cups are cleanAvoid placing suction cups on rear window defroster grid linesOnly pull tab on base of each Push-Lock™ suction cup to release suction cups from window Do not twist blue cap or grey housing surrounding cap to adjust or remove shade as damage may occur