This door curtain seal fits any sliding door, like your balcony door or patio door. A practical solution to seal your door when vent a portable AC unit. Reduce heat transfer , maintains a uniform environment inside your room, and keep insects and mosquitoes out. Easy installation - No drilling needed and only takes a few minutes to install it. Please note that it works for an air conditioner with only one exhaust hose. Made of Polyester PU coated fabric, the door closure for AC unit is waterproof and durable. Colour:As Shown Material:cloth Size:210x90cm Package Contents: 1 x AC Door Seal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.